How to grill a T-bone steak seems to be a problem for a lot of people. Learn how with these easy to follow step by step photo instructions. You can be the “grill master” too and have an excellent grilled steak in 10 minutes every time.
Editor’s Note: Originally Published July 27, 2013. Updated with updated text and re-edited pictures.
Fortunately, it is very simple to get great results. Start with a great steak, season simply and cook over high heat. And what is more traditional than a T-bone or porterhouse steak. Let’s get to it.
My Rating
Always 5
Pro Tips: How to Grill T-bone or Porterhouse Steak – A Tutorial
The Meat
The grade of beef is critical to the outcome. This is fairly easy. U.S. Prime is in the top 2%. It is upper-end restaurant type stuff. Expensive and you probably will not pay the price. U.S. Choice is where you’re buying.
About half of all beef falls into the Choice category. U.S. Select (formerly Good) does sound OK, and it is just that “OK.” It is the lowest grade commonly sold at retail and is less juicy and tender.
I use Choice. I have a good “look” at it since choice covers most of the market, and the marbling can be quite variable. Also, I want the market to trim it well. I don’t like paying $12+ a pound for a large piece of fat that should have been trimmed off.
T-bone vs. Porterhouse steaks
Both the T-bone and porterhouse steaks come from the short loin which is between the rib and the sirloin. The larger side is strip steak, and the small side is a tenderloin (filet). In a T-bone, the tenderloin must measure a minimum of 1/2 inch across the center and the porterhouse a minimum of 1 1/4 inches.
So T-bone and porterhouse steaks are the same cut of meat except for more filet on the porterhouse. If they are the same price, get the porterhouse. My wife is a porterhouse hound.
A few last comments.
- Thickness: all the “experts” want 1 1/2 inch… that is a pound and a half of cow. Have your butcher cut it at 1 inch. You will find both 1 inch and 3/4 inch in the pre-cut. I think the 3/4 is a little too thin, and I want some meaty center.
- Fed type: “grass fed” seem to be the rage. NO NO NO. I grew up on grass fed. It tastes like grass to me. (no comments please)
- Cow type: I find Angus a bit tastier.
The Grill
Any grill should work. I use natural gas. A charcoal grill will be fine also. You just need to get it hot…very hot. My grill has a surface temperature that is routinely at 650 degrees plus. You don’t need that hot.
I should note that there is a reverse searing method of cooking that is somewhat the opposite of this approach. You start with a low grill and get the meat to about the internal temperature you want and then crank it up to finish with a sear. It sounds a little fussy to me. I will try it someday.
The Method
This is so easy. Allow the meat to rest at room temperature if possible. This is not ground meat, so it is safe but anything over an hour makes me nervous, and I wouldn’t do. If you don’t rest it, you will need to cook a little longer to get the internal temp you want. Read that as dry it out.
Trim the extra fat. You won’t eat it, and it will cause flair on the grill that will burn your expensive meat.
Salt. There is some debate about the timing here. Salt will pull the water out of meat, but then the salt and the water will absorb back into the meat. That take 45 to 60 minutes.
So if you salt at the start of the rest, it is really good. If you salt at the end, it is good also but maybe not as good.
Do not salt with less than an hour left in the rest unless it is the last 10 minutes. This may pull water out of the meat, and it will not have time to re-absorb.
Seasoning. Pepper is a must, and we like garlic so my 7:2:2 seasoning (see my post on making 7:2:2 HERE) is perfect here. Or just use salt and pepper. I put the pepper and garlic on with the salt. See above salt note.
Oil: not needed. Masterchef ( in the comments) is a pro who has spent many years doing this. He suggests a light brushing of oil on the meat and not the grill. I have tried his suggestion and could not tell the difference. Your choice.
The Grill: The grates must be cleaned and oiled. The grate is going to be very hot, and olive oil has a lower smoke point. Use standard vegetable oil.
Grill the first side for 5 minutes. Use a watch and do not just guess. If you are into cross grill marks, rotate 90 degrees at 2 1/2 minutes.
After the 5 minutes then flip. Cook on the second side for about 3 minutes for rare, 4 for medium-rare and 5 for medium. We like our meat at about 145. That is overcooked for many.
There are some variables with those suggested times. The exact grill temperature, the exact starting temperature of the steak and the thickness of the steak. All this means you must check the internal temperature to get exactly the results you want.
You will read about a “touch” method to check if the steak is done. It probably works for pros or semi-pros but really for us normal people not so much. Get the thermometer out.
The Rest: DO NOT SKIP. During the cooking process, water comes out of the cells. If you cut the meat immediately, it will just drain on your plate. Let it rest lightly tented in foil uncut at least 5 minutes, but ten is better. The fluid will absorb back into the meat.
Steak sauce: need I say this… just say NO.
Related Recipes:
Pan Seared Oven Roasted Strip Steak
How to Grill a Strip Steak on a Gas Grill
Pan Seared Oven Roasted Filet Mignon
How to Grill a Filet Mignon on a Gas Grill
Rest the steaks at room temperature for about 1 hour if possible allowing the steaks to come to room temperature.
Trim the beef of extra fat. This is important to prevent “flare-ups” that will burn your expensive meat. Apply salt and pepper at the start of you resting period. At the end is OK if skipping the rest or you forgot. Use coarse salt and pepper. I used my 7:2:2 which is kosher salt: pepper: garlic.
Preheat your grill to maximum. Yep, as hot as it will go. Clean and oil well. Do not just olive oil here due to the low smoke point.
Place over direct heat.
In five minutes (by the clock) flip the meat. If you’re into crossed grill marks, you should have rotated the meat 90 degrees at about 2 1/2 minutes.
Grill for approximately three more minutes for rare, four more minutes for medium-rare and 5 minutes for medium (150). Your timing will vary a little so as always, check the internal temperature with an instant-read meat thermometer. Never cook by time alone. Rest before serving by lightly tenting with foil for 5 to 10 minutes.
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How to Grill a T-bone or Porterhouse Steak – A Tutorial
Ingredients
- T-Bone or Porterhouse Steaks - about 1 inch thick
- Salt and pepper to taste OR 7:2:2
Instructions
- Rest the steaks at room temperature for about 1 hour if possible allowing the steaks to come to room temperature.
- Apply salt and pepper at the start of you resting period. At the end is OK if skipping the rest or you forgot. Use a coarse salt and pepper. I used my 7:2:2 which is kosher salt: pepper: garlic
- Trim the beef of extra fat. This is important to prevent "flare-ups" that will burn your expensive meat.
- Preheat your grill to maximum. Yep, as hot as it will go. Clean and oil well. Do not just olive oil here due to the low smoke point.
- Place over direct heat. In five minutes (by the clock) flip the meat. If you are into crossed grill marks, you should have rotated the meat 90 degrees at about 2 1/2 minutes.
- Grill for approximately three more minutes for rare, four more minutes for medium-rare and 5 minutes for medium (150). Your timing will vary a little so as always, check the internal temperature with an instant-read meat thermometer. Never cook by time alone.
- Rest before serving by lightly tenting with foil for 5 to 10 minutes.
Recipe Notes
Pro Tips:
- Trim the fat to prevent flareups.
- Grill as hot as it will go.
- Rest if room temperature before grilling.
- Salt either 1 hour before cooking or just before. Not between.
- There are some variables with those suggested times on the second side. The exact grill temperature, the exact starting temperature of the steak and the thickness of the steak. All this means you must check the internal temperature to get exactly the results you want. DO NOT USE ONLY TIME.
- This is for 3/4- 1 inch thick give or take a little. 1 1/2 inch max. If you are into to 2 inch thick, different technique is needed. If about 1 1/2 inch be sure to rest to room temperature at the start or the center will be rare... unless that is what you like. 1 1/2 inch will be almost 2 pounds.
Have a question or something not clear? Ask in the comments.
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Nutrition is for one serving. Number of servings is stated above and is my estimate of normal serving size for this recipe.
All nutritional information are estimates and may vary from your actual results. This is home cooking, and there are many variables. To taste ingredients such as salt will be my estimate of the average used.
If you like this recipe or find it useful, the pleasure of a nice 4 or 5 rating would be greatly appreciated.
Originally Published July 27, 2013
Devin
Tried this recipe tonight, delicious, so good. Thank you
Dan Mikesell AKA DrDan
Hi Devin,
Welcome to the blog and sorry for the delayed reply.
There is nothing like a great porterhouse and I love a recipe that is simple enough to remember.
Thanks for the note and rating. And again, sorry for the delayed response.
Dan
Judy Lee
My favorite quick and easy method for grilled steak is to blot dry the steak, sprinkle generously with kosher salt on one side, spread on a thin coat of ghee, and let it rest at room temperature for one hour. I heat a cast iron pan on high heat until it smokes, then lay the steak, ghee side down and fry for 1 minute, then flip it over and fry another minute. Repeat flipping after each minute (lowering heat if necessary), until desired doneness. A medium rare 1” steak will take 4-5 flips on each side (total 8-10 minutes). I plate the steak, grind some pepper over it, and cover loosely to let it rest. I add sliced mushrooms into the pan drippings, stir fry, season to taste, add to my steak and enjoy. It is even better if you salt the steak and let it “dry” overnight in the fridge.
Jennifer Erickson
I followed this yesterday (exactly) and my steaks were perfect. Thank you so much.
DrDan
Hi Jennifer,
Welcome to the blog. Sorry for the delayed response.
Glad you enjoyed the recipe.
Thanks for the note and rating.
DrDan
Michael Riordan
In South Africa we grill on what we call a braai. You can use charcoal but the best is to use “bushwood”…it’s the wood that is indigenous but exotic woods like “Rooikrans” (Port Jackson}..exotic from Australia is also ideal. We use a hot fire with a bit of flame…I don’t trim the fat as I encourage a bit of flaring but do it quickly and turn it quickly. I then rest the meat for a while on a thick wooden board to drain a bit…I do not salt but use only black ground pepper. I cook it very quickly but I only use well hung steak…rump, sirloin (porterhouse) and t-bone. Yes, Angus is best but so is Brahman cross Angus… Brangus.
I like it thick 2″ but one and a half is ok. I like the charcoal effect…I don’t burn it , only sear it a bit…it not only looks appetising like this but tastes better.
It’s a gut feel for me…a skill developed…really can’t stereotype the recipe…it really is a skill…an art that developes through time and experience.
MikeM
I bought two beautiful porterhouse steaks at, of all places…BJ’s, Westbury, LI, NY. These steaks are approaching 2″ thick and since I haven’t cooked such a nice steak in awhile I searched, duckduckgo (not Google) and Dr. Dan your website was first in line and I’m so glad I found you.
Concise easy reading with common sense commentary from you throughout your recipe.
As soon as I click on “post comment” I will subscribe to your website.
Take care, MikeM
Dan R Cassidy
Meijer had CAB porterhouse on sale for$6.99lb-have bought them there and been very happy with the quality-have butcher cut them 1 1/2 inch-followed recipe exactly and they were 5 star-Thank You
DrDan
I do love Angus beef (the best) so that is great. At 1 1/2 inch that is about approaching a pound and a half. My wife could get through it but I couldn’t. I’m better with 1 inch but this technique is good for 3/4 to 1 1/2. Over that is more of a reverse searing grilling. A whole different thing.
My local Leppinks had the same deal this week and I’m going to surprise her with porterhouse this weekend. I don’t have to walk as much at Leppinks which is a problem for me now. I do Meijer about 2-3 times per month.
Thanks for the note.
Dan
steve
i’m usually a n.y. strip man but saw some fine looking porterhouse at the store and will give it a go. i’ve been using a large george forman grill for many years and it works great with the strip steak but have never tried a bone in cut. ialways use a timer and thermometer and salt and pepper. french fries, broccoli and cauliflower and glass of wine does it for us.
Julie
My t bones are about a quarter inch thick is 5 minutes on each side going to be too long
DrDan
Hi Julie,
The marinade: About an hour (up to 2) is usually good for something like that. There is a fair amount of salt in the two sauces so I would not salt until eating. Pepper at grill time.
The timing of 5 plus 5 would be about right for my grill and the steak rested at room temperature for about 30 minutes for about medium BUT this is variable from grill to grill. Please use an instant read meat thermometer to get the right results. Time is never the right way to determine endpoint on a steak. I include them for planning and they are close to what most people will experience.
Dan
Julie
Thanks, the marinade I want to try is 1 cup dry red wine, 1 tablespoon soy sauce and one tablespoon of Worcestershire sauce. how long should I marinate it for the recipe that I was looking at says 1 hour
Julie
Dr.Dan
What do you think about marinated steaks. Should I try it or not?
DrDan
I do like some marinades. I have this one https://www.101cookingfortwo.com/the-best-steak-marinade-ever/ that we use for company or special dinners usually on strip steak. It would be fine on t-bones also. About the only steak I wouldn’t marinade is a filet and that is more just because it is a filet.
Dan
Kym
I’m cooking two porter house steaks on the grill tomorrow for the first time for my mom on mother’s day. My dad was the steak expert but passed away in July. So it’s my turn to try it. We like medium rare and the way I’m reading this it’s 5 min one side and four the other. I’m confused if this is high heat or in between? Hopefully I get answers before tomorrow. I just want this perfect for my mother
Thank you in advance
DrDan
Hi Kym,
Sorry about your father. Sorry about the wording if it was confusing. I will check it tonight and see if I can clarify it.
But on with the answer. There are some variables here. The exact grill temperature, the exact starting temperature of the steak and the thickness of the steak. All this means you must check the internal temperature to get exactly the results you want.
The initial 5 minutes ( I like to do 2 1/2 then rotate 90 degrees for another 2 1/2 minutes for nice cross marks) gets a good base of cooking on the steak. Then flip to the second side. This is where your variables need to be accounted for.
For medium rare you want 135 degrees internal temperature (130-140). You really must check the internal temperature of the steak to get the right endpoint. The time on the second side is approximate. Especially if you are going for rare or medium rare, the thermometer is a must use too.
Remember that the meat needs to rest for 5-10 minutes to reabsorb internal fluid. The temperature of the meat will increase a few degrees during that time.
Hope that clarifies. So, if you don’t have a meat thermometer, you need one. The $10 el-cheapo instant read one at Home Depot or Lowes will be fine.
Good luck and let me know if you have other questions
Dan
Faye
I have a 1″ thick porterhouse that I want to cook up tonight :) I like a medium center. My gas outdoor grill heats to 550F. It’s a huge grill. Should I turn on all three burners to heat up the entire inside of the grill? Then after I place the steak into the preheated grate, should I turn down any of the burners? Thx in advance … I hope I can hear from you soon!
DrDan
Hi Faye,
You caught me on line. First be sure to let the meat to set at room temperature for 30-60 minutes before it hits the grill since you at a full inch. Season either at the start of the room temperature rest or just before hitting the grill.
Preheat the grill, all burners on max and just keep them there.
Hope that helps. I’m writing a new post so I will be online for a couple of hours if you have other questions.
Dan
Roldy
I wish you would have started the article by saying “I like to ruin steak @ 150 degrees”
It would have saved me some time.
Diana
Hi Dan. Does the steak cook with the lid closed the whole time?
DrDan
Closed. As a general rule, closed lids if less than 1/2 inch thick. 1/2 inch to 1 inch marginal but usually closed and 1 inch or above always closed.
Dan
Kari
I am going to try this tonight. Just picked up some porterhouse steaks that were on sale. I usually sear my steaks then put them in a 300 degree oven for 15 minutes and they come out a perfect medium rare. Looking forward to giving this a try tonight
DrDan
Hi Kari,
Since you like medium rare, watch it carefully. This is a lot of heat and you can overshoot easily.
Thanks for the note.
Dan
Katie
Hi Dr. Dan. We are in west Michigan too. I am going to throw some t-bones on the grill tonight and serve them alongside all kinds of delicousness from the Fulton Street Farmers Market.
DrDan
Hi Katie,
I haven’t tried Fulton Street. I generally do Grand Haven (only a couple of miles) but never on Saturday during the summer. Maybe I should get up earlier and go on Sat….
Enjoy the steaks.
Dan
Tina
Fixed this tonight, with grass-fed Porterhouse and it was AMAZING! Seasoned with 7-2-2 and grilled for 5 minutes on each side and they were tender and tasty!
DrDan
Thanks for the note Tina, I do this over and over for every special occasion for my wife.
Dan
Amin Gilani
If one rests for 10 minutes after cooking and before serving the steak is warm to serve.What happens if your guest wants ‘hot’ not just warm meat, does one reheat?
DrDan
Hi Amin,
The discussion is clearer in the post. The rest allows the moisture that is in the meat but not in the cells to reabsorb back into the cells of the meat. It adds lots of moisture back into of the steak.
So first, when doing a resting of meat, generally a light tenting of foil will keep it warmer. Second, 5 minutes will be enough but 10 would be preferred. So if you take it off the grill and don’t immediately cut into the steak, you will probably get to 5 minutes. If you are cutting into the steak and there is lots of fluid draining, that is moisture you are losing for your tenderness and you moved too fast.
I have reworded to be clearer.
Thanks for the note.
Dan
Chris Raus
Chris Says
January 1 2017
Just cooked Porterhouse steaks @ medium on the grill, followed recipe and they came perfect. Rate recipe a 5!!
DrDan
Hi Chris,
When I think back 30 years ago and how I did steaks then, I shutter. And they were horrible. I evolved into this method about 15-20 years ago with my first instant read thermometer. My goal for all steaks on the grill now is one flip and only one temperature check. I hit it about 80% now.
Have a great holiday
Dan
Chris
I followed your instructions thoroughly, wound up with MW instead of MR.I don’t blame you, it’s a new grill, and max temp is 800°. Going forward, I’ll do exactly the same except I’d do 4 minutes 1 side, 3 minutes other side (instead of 5 and 4). I’ll keep you posted. Thanks!
DrDan
That is some serious grill you have. A “normal” gas grill usually is 550 max but may make 600 on a good day. I can get 725 plus if preheating is prolonged but usually 650ish with a 10 minute preheat. This works at 500-700 very well since I have done it on a variety of grills. Also, was taught a simular method at a cooking school. I never expected an 800-degree monster… I have got to the point of using a grill surface thermometer most of the time and of course, I’m connected at the hip to my Thermopen. I suspect you will have this issue frequently with most recipes out there. It does point out the old saying of “know your grill”.
babykitted
Awesome recipe. First time cooking a T-Bone and couldn’t be happier. I was missing some of the ingredients but as long as most ingredients are included this seasoning has a nice kick to it. I actually modified the recipe by moistening the steaks with Worchester sauce before rubbing in the seasoning mix. The result was quite good. Thanks.
Johnnymo
Wow!! That was simple and effective. We just enjoyed some great porterhouse steaks. Thank you very much.
Ashley
I am trying thus tonight for my husbands suprise birthday dinner never cooked on the grill but want to suprise him ill let you know how it goes
Masterchef
You should never oil the grill, lightly brush the steaks themselves with a small amount of oil instead of the grate.
I promise it’ll make it better, you’re doing everything else right.
DrDan
Each to their own I say… Years ago I did it that way with poor results BUT I had inferior equipment then. My oil on the grill is the way I have been taught recently by several chefs and it has worked great for me. I have two porterhouses in the fridge now and will test again BUT mine just always come out great so I don’t think you can win this one… The test is on in a day or two…
DrDan
Masterchef
I work at an upscale (60 dollars a plate) Steakhouse and i cook steaks all day long over a grill and have almost every day for the last 20 years.
The biggest thing is that when you oil the grill grate itself on a grill you are dealing with temeratures of 500 plus degrees so the oil is pretty much just burning away, if you put it on the food you are grilling it hits the heat at the same time as the food and it forms a much better crust on the meat.
It actually did used to be the concensus among chefs that you oil the grill but in the past 5 or 6 years its become much more accepted that its better to oil the food as its been getting better results.
DrDan
OK… you have me convinced. I won’t argue about cooking steaks with you with those credentials. I will still trial it and then edit the post.
Thanks for the tips.
Dan
DrDan
Trial run completed. In my sample of one cooking of two porterhouse steaks. One with a light brush of oil on a cleaned but not oiled grill and the other side of the grill oiled but not the steak. Neither my wife nor I could tell the difference. Neither stuck to the grill, cooking time identical. Both excellent. Maybe some can tell but not me on one sample. I think I will continue to my side by side for a while.
I’m editing the post with an update tonight.
George
This method turned out great, but I had to add a bit of time as my grill doesn’t get as hot as you need to grill properly. I went 6 minutes, then 5 more on the other side…perfect medium rare.
DrDan
Thanks for the note. Great job realizing the capacity of your grill.
DrDan
Michele
Yum. Still thinking about my dinner last night! Sautéed onions on top of a fabulously grilled porterhouse. Thanks!
DrDan
There is nothing like a grilled porterhouse.
Thanks for the comment.
DrDan
Dave "Tex" Cho
FWIW, I just “grilled” some filet mignons (about 9 oz each) for a Valentine’s Day supper. I preheated my oven to 400 deg F. I heated my enameled cast iron skillet (or I could have used my trusty Lodge cast iron skillet) on High to Med High setting (gas burner), put in some canola oil (need to use something with high smoke point). While the skillet was heating, I rubbed the 7-2-2 seasoning onto the filets which I had taken out of the fridge at least 30 minutes beforehand. Now that the skillet was very hot (I’m wondering if I should invest in one of those surface temperature gauges that you just point at heat source) and I seared one side for 2-3 minutes and then flipped to sear other side for 2-3 minutes, then, put into 400 deg oven and checked internal temp after 7 min. I was trying to get to 150 deg F and I think I had to cook for about 10 min. Remove skillet from oven and plated the steaks with a foil tent so they could rest (we could only wait 5 min even I know you’re supposed to rest from 10-15 min). Steaks turned out great, medium, pink in center and gradually darkening out to edges, with nice sear. I debated using my enamel cast iron griddle pan but opted for regular skillet. I’ve read many posts describing this method.
DrDan
Hi Dave,
Thanks for the note. You will find this technique for Filet on this site at https://www.101cookingfortwo.com/pan-seared-oven-roasted-filet-mignon/ and it is the best way for Filet. That post is so popular that it crashed the server last Saturday when over 400 people tried to read it at the same time for Valentine Day. It took me an hour to recover the server.
Either pan should be fine.
Again thanks for the comment.
DrDan
Robert Kline
Well, it’s about 2 degrees outside so I’m going to have to use my indoor grill. Do you have any steps on how to oven sear a steak?
DrDan
By indoor grill I’m assuming like the oven with a broiler. In my experience, highly variable due to distance and heat factors. If I were to guess, I would broil on one side without flipping until it “looks nice” I’m thinking about the same 5 minutes as outside (just guessing). Then flip and broil about have the time the first side took and then check the temp…. just guessing…. I said that already I think.
This is totally buyer beware. The 5 minutes may turn it black or leave it pink depending on the equipment variables.
If you are dealing with one of the stove based grills(which makes a horrible mess for me) then crank it to high, let it get as hot as it can and cook for 5 and see where you are.
Hope this helps more than hurts.
DrDan
(PS My grill is next to the kitchen door and I can grill all winter even in Michigan. I love it.)
Scott
With your cooking times, are you intending the grill to be open or closed?
DrDan
The lid is only open for the picture. So closed.
DrDan
Curtis
I just cooked porterhouse steaks, purchased on sale, at Food Lion…
I cooked according to the directions 5 minutes on each side and they were perfect.
I did not bring to room temp or use the salt mix though. I will try that next time.
thanks
DrDan
Glad it worked well for you. Before I learned, I would fuddle and flip all the time. But really it is just this easy.
Thanks for the Comment
DrDan
Aaron
You absolutely have to try the reverse sear method. It is what I swear by and to do the meat justice, you need the 1 1/2 inch steak…just buy one (for two people) slice it and serve slices instead of the side o’ beef on the plate. The big advantage of the reverse sear is that you get meat that is almost perfectly done all the way through instead of meat with large bands of overcookedness (my word) on the outer edges. Cook over indirect heat with the lid down until you are within 15 degrees of the target temp. Pull it off, baste with a little olive oil (helps the sear and color) while you crank the heat as high as you can. Then just put it down about a minute a side with the lid open until you get the perfect sear. That should get you to within 5 degrees of your target and the resting will bring the temp up to right where you want it. I’m not big on cooking by time, too many variables and the meat doesn’t react to anything except the heat applied to it. I typically shoot for 130, so I pull it at 115 or so. Great blog, keep up the good work!
DrDan
Aaron, Thanks so much for the note and tutorial. This remains on my “to do list” I have always thought of it when doing thicker steaks. Since I’m trying to cut back a little, it may take me some time to get to it.
DrDan
Andrew
Yep. Yep. Yep! We have a local meat shop that will cut beef to order. I have grilled 1lb beef tenderloin and 1 1/2 inch thick porterhouse using the method you describe. Both are absolutely delicious. However, I think I actually enjoy the tenderloin side of the porterhouse using this method more than I enjoy the tenderloin alone. Maybe the bone is gives it better flavor. Anyway, yes, indirect heat with a reverse sear is definitely the way to go.
Chris
We love a good porterhouse. I typically buy choice but also check the select beef because I have seen decently marbled select ON OCCASION.