Want prime rib without buying a huge roast? Learn how to cook a small boneless prime rib ribeye roast—the same juicy, tender flavor in a 2–4 lb rib roast. With a simple garlic-butter crust and an easy time-and-temp method, it’s perfect for Christmas or any smaller holiday meal.
Quick Answer: ⏱️ How Long to Cook a Small Boneless Prime Rib Roast
Sear 20 minutes at 500°F, then roast at 325°F until the internal temperature reaches 130°–135°F for medium-rare. Always check early.
Approximate Times (Including Sear):
- 2 lb: 65–75 minutes
- 3 lb: 85–105 minutes
Rule of Thumb: About 15–20 minutes per pound for larger roasts, but small 2–4 lb roasts usually take longer per pound than larger ones.
Jump To (scroll for more)
- ❤️ Why You'll Love This Recipe
- 🤔 Terminology: Prime Rib vs Ribeye
- 🐄 Ingredients
- 👨🍳 Quick Overview: How to Cook a Small Boneless Prime Rib Roast
- ⏰ How Long to Cook a Small Prime Rib (Time & Temperature Guide)
- 👍 Pro Tips for Perfect Prime Rib
- 🥣 Making Au Jus from the Drippings
- 🛒Shopping
- 📋 Related Recipes
- 🔥 What to Do About Smoking Ovens
- 🍽️ What to Serve with Prime Rib
- ❄️ Storage and Reheating Leftovers
- ❓FAQs
- 📖The Recipe Card
Featured Comment by Suzi :
⭐⭐⭐⭐⭐"OMG! My first time making a rib roast, and it is beyond delicious. An almost 3 lb roast cooked perfectly according to your directions. I may eat the entire thing. Thank you!"
❤️ Why You'll Love This Recipe
- Holiday flavor, home-cook easy: Tender, juicy beef with a garlic-butter crust that feels fancy without the stress.
- Sized for smaller gatherings: Perfect for 2–4 lb roasts — just enough for a family dinner or a cozy celebration.
- Bone-in prime rib: Cooks the same using this method, but may take a little longer.
- Beginner-friendly: Simple steps, clear temps, and a thermometer are all you need to get it right.
🤔 Terminology: Prime Rib vs Ribeye
The names can be confusing. A rib roast may be bone-in or boneless, and labeled prime rib, ribeye roast, or simply rib roast — they are all the same cut of beef.
Rib Roast = Prime Rib Roast = Ribeye Roast
Boneless and bone-in can apply to any of the three names.
Standing Rib Roast = Bone-in Rib Roast
And don’t be fooled — prime rib refers to the cut of meat, not the USDA grade. Choice-grade roasts are most common and still excellent.
🐄 Ingredients
- Rib Roast – 2 to 4 pounds, boneless. Bone-in also works. Prime grade is excellent if available, but Choice is more common and still great. “Prime rib” refers to the cut, not the USDA grade.
- Fresh garlic — crushed or minced.
- Butter — softened for mixing with garlic.
- Salt and pepper — to taste.
👨🍳 Quick Overview: How to Cook a Small Boneless Prime Rib Roast
1. Prep: Rest the roast at room temperature, preheat the oven to 500°F, and prep the pan and garlic butter.
2. Slather & season: Spread the garlic-butter mixture over all sides and season with salt and pepper.
3. Sear, then roast: Roast 20 minutes at 500°F, reduce to 325°F, and cook to 130°–135°F for medium-rare.
4. Rest & slice: Tent with foil for 15–20 minutes, then slice across the grain.
✅ Pro Tip: Temp rises 5°–10° while resting — cook to temp, not time.
👇 Scroll down for the printable recipe card and complete step-by-step photo instructions—or keep reading for temperature guidance, au jus, and tips.
⏰ How Long to Cook a Small Prime Rib (Time & Temperature Guide)
Rule of Thumb: About 15–20 minutes per pound for larger roasts, but small 2–4 lb roasts usually take longer per pound, and larger ones tend to fall toward the lower end of the range. Always check early.
Doneness Guide (for a 2-lb boneless roast):
- Rare – cold red center (125°-130°F): About 60-65 minutes total (20 min sear + 40-45 min roast).
- Medium-rare – warm red center (130°-135°F): About 65-75 minutes (20 + 45-55 min).
- Medium – pink and firm (140°-150°F): About 75-85 minutes (20 + 55-65 min).
- Medium-well / Well: Not recommended — the roast will dry out.
Thinner roasts cook faster; bone-in roasts usually need a little extra time since bones absorb heat.
Size Adjustments:
- 2 lb roast: Use the chart above; check temp early.
- 3 lb roast: Add 20–30 minutes; check early.
- 4 lb roast: Add 25–40 minutes; check early.
✅ Pro Tip: Cooking times are for planning only — always use a thermometer and cook to final internal temp, allowing a 5°–10° rise while resting.
👍 Pro Tips for Perfect Prime Rib
- Rest before roasting: Let the roast sit at room temperature 30–90 minutes for more even cooking.
- Use a thermometer, not the clock: Roasts vary; always check temp early.
- Fat side up: Whether boneless or bone-in, keep the fat cap on top so it bastes as it cooks.
- Use a rack if you can: Helps fat drain and heat circulate, but the recipe still works without one.
- Don’t skip the final rest: Tent with foil 15–20 minutes before slicing. This locks in juices.
- Meat quality matters: Prime grade is outstanding, but Choice is more common and still excellent. What matters most is how you cook it.
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🥣 Making Au Jus from the Drippings
Making homemade au jus is easy. Use a saucepan on the stovetop.
- ¼ cup meat drippings (drain off the fat if you prefer; if not available, use extra broth)
- 2 cups beef broth (if you placed broth under the meat to prevent smoking while roasting, you can reuse it here)
- 1 tablespoon Worcestershire or soy sauce — or 2–4 tablespoons bold red wine
- Salt and cracked black pepper to taste
Simmer on low heat for 10–15 minutes until slightly reduced.
👉 If you want to thicken the au jus, near the end of simmering, slowly whisk in a slurry of cold water and 2 teaspoons of cornstarch.
🛒Shopping
Here are some suggestions I like, but you can find many more good products that will work at your local big-box store. All links below are affiliate links, meaning I make a small profit from your purchases. This commission does not affect your price. We are a participant in the Amazon Services LLC Associates Program. As an Amazon associate, I earn from qualifying purchases.
Maverick XR-50 4 Probe Remote Thermometer
Oven Safe Racks
Thermapen™ One from Thermoworks™
ThermoPro TP19 Instant Read Thermometer
📋 Related Recipes
Looking for more Holiday entrées? Try these:
Grilled Ribeye Steaks
Grill juicy, tender ribeye steaks with this beginner-friendly gas grill method. No marinade—just salt, heat, and a few smart steps.
🔥 What to Do About Smoking Ovens
Expect smoke during the 500° sear — fat from the roast and butter will hit hot metal.
Ways to reduce it:
- Pan liquid (best option): Add beef broth (great if making Au Jus) or water under the rack so drippings hit liquid (212°) instead of the hot pan.
- Lower sear temp: Try 450° instead of 500° — less smoke, nearly the same crust.
- Use oil instead of butter: Higher-temp oils smoke less, but flavor suffers.
- Vent it out: Fans on, windows open, accept the smoke.
- Skip the sear: Go straight at 350°. Cooking time will be longer, and you’ll get more gray edge around the pink center.
🍽️ What to Serve with Prime Rib
Pair your roast with a fresh salad and roasted vegetables like Baked Green Beans with Bacon or Roasted Parmesan Asparagus . For a starch, Roasted Small Potatoes work beautifully. And don’t forget a crusty loaf like Julia Child's French Bread.
For a wine pairing, we prefer Cabernet Sauvignon, Merlot, or Pinot Noir.
❄️ Storage and Reheating Leftovers
Store leftovers tightly covered in the refrigerator for 3–4 days, or freeze airtight for 3–4 months.
To reheat, thaw overnight in the refrigerator if frozen. Warm in the oven, covered with moisture such as au jus or beef broth to prevent drying out.
❓FAQs
Both are excellent. Bone-in may add a touch more flavor and moisture. Boneless cooks more evenly, has more surface area for the garlic butter, and is easier to carve. If you prefer bone-in, use the same method and simply allow a bit more roasting time.
Plan on about ½ pound per serving. Add a little more for big appetites or fewer sides.
Slice across the grain into ½- to ¾-inch thick pieces. Think of it like cutting round slices from a log for even, juicy servings.
📖The Recipe Card
Small Boneless Prime Rib (Ribeye) Roast
Video Slideshow
Ingredients
- 2-4 pound boneless rib roast
- 3 cloves garlic, crushed or minced
- 3 tablespoons butter, softened
- kosher salt and freshly ground black pepper, to taste
- Beef broth (optional, to prevent oven smoking or for au jus)
Step-by-Step Instructions
- Rest & preheat: Let roast rest at room temperature for 30–90 minutes. Preheat oven to 500°. Lower rack so roast is centered in the oven.
- Make garlic butter: Mix 3 tablespoons of softened butter with 3 cloves of crushed garlic. Poke 15-20 half-inch holes into the roast with a knife.
- Slather and season: Rub garlic butter all over the roast, pushing some into the holes—season with salt and pepper.
- Pan & rack prep: Set a rack (optional but recommended) in a roasting pan, then spray it with cooking spray. Place the roast on the rack, fat side up.
- Sear, then roast: Sear at 500° for 20 min. Reduce the oven temperature to 325°F and continue cooking until the desired internal temperature is reached, 45–90 minutes, depending on the roast size and desired doneness. Start checking the temp early. Temp will rise another 5°–10° after removal.Start checking the temp early, and check a few times — roasts can cook faster than you expect. Remember: temp will rise another 5°–10° after removal.
- Rest & carve: Tent loosely with foil for 15–20 minutes. Slice across the grain. Serve (au jus optional—see the post).
Recipe Notes
Pro Tips
- A reasonable estimate of the size of the roast is ⅓ to ½ pound per serving.
- Check the post for approximate cooking time for various weights and doneness.
- Never cook by time alone. Always check with a meat thermometer a few times early. A continuous remote thermometer is recommended.
- If your oven smokes, see the troubleshooting tips in the full post.
- Homemade Au Jus instructions are in the post.
- Leftovers: refrigerate up to 4 days or freeze 4 months. Reheat in the oven with a splash of broth or au jus.
Your Own Private Notes
To adjust the recipe size:
You can adjust the number of servings above; however, only the amount in the ingredient list is adjusted, not the instructions.
Nutrition Estimate (may vary)
Editor's Note: Originally published September 17, 2017. Updated with expanded options, refreshed photos, and a table of contents to help navigation.
Carol Marshall says
I have been trying for years to cook this correctly and thanks to your article, it turned out fabulous.
I have a question on reheating. Should it sit at room temperature for a while before going into the oven, and at what temperature do you suggest. Thank You!
Dan Mikesell AKA DrDan says
Hi Carol,
Welcome to the blog, and I am glad it worked well for you.
To reheat in the oven, preheat to 325° or 350°. If you have time to rest at room temperature for about an hour, it will go better. Time will vary by thickness. If it starts to dry, add some moisture, like Au Jus, and cover with foil. I will add that my wife is a cheater and will reheat a cut under 1 inch on the stovetop with some au jus or beef broth—use medium heat.
Hope that helps.
Dan
Victoria Charkut says
This was an EXCELLENT recipe. Love the way you explained everything. I'm a good steak chef but a small rib roast was new for me. Yes the butter hit the hot pan and started to burn so I added just water and had a delicious au jus that went great with the meat and the smashed potatoes (jamie oliver) that I served. Thank you! My meat wasn't prime but choice and it still was delectable. Yum.
Lisa says
What if I don’t have fresh garlic?
Dan Mikesell AKA DrDan says
Hi Lisa,
Welcome to the blog.
Add 1/2 teaspoon of garlic powder to the butter instead—my wife would double that.
Dan
Laura says
Thank you so much for sharing this! Made this for both Thanksgiving and New Year’s Eve. Absolutely delicious! Your directions were so appreciated!
Dan Mikesell AKA DrDan says
Hi Laura,
Welcome to the blog. This was a very popular recipe for the holidays.
Thanks for the comment and rating.
Dan
Bob says
What should the internal temperature be for a medium rare result? If I missed this in the article, my apologies.
Dan Mikesell AKA DrDan says
It's there. Medium-Rare is warm red center (130°-140°)—Searing time of 20 minutes plus oven time of about 45-55 minutes for a total time of about 65-75 minutes.
Dan
David says
Followed your recipe on Nov. 5th and results were perfect. Spectacular, actually. Am doing it again right now for a party of six! Thank you!
Dan Mikesell AKA DrDan says
Hi David,
Welcome to the blog.
So happy it worked well for you.
Thanks for the note and rating.
Dan
David Green says
Trying this recipe right this moment, and am assuming the temps are Fahrenheit, not Celsius?!
Dan Mikesell AKA DrDan says
Hi David,
Yes, all temps are fahrenheit on this site. Conversion is discussed in on the FAQ page in the top menu on every page.
Dan
Rich says
we are in our mid 70s and lucky enough to have a wood burning pizza oven. I'm just learning all the many ways to use it. there's just two of us so firing it up takes some planning if I want to do multiple dishes at various temps. the prime rib roast is one of those things...I have several cast iron pans and one of them would work great for this...no problem about the smoke from the butter but the water idea works for me. should still be able to make popovers from the drippings. any advice or suggestions that would help? cooking for two is what we need to get to...leftovers are great butt they tend to add up in all the wrong places. thanks again.
Dan Mikesell AKA DrDan says
Hi Rich,
Welcome to the blog. I have very limited (read that as once) experience with a wood pizza ovens, but I do remember that thing was very hot and designed to be that way. 800°–1000° range.
The only tips you probably know already but you asked.
First, know your oven and how to control and maintain a temperature—so a good thermometer (probably remote) is needed.
Second, always think about the thickness of what you are cooking. Measure it by the distance to the center of the thickest part from the surface of the meat. This thickness, not weight, will determine the cooking time and temperature. The greater the distance, the lower the the oven cooking temperature should be, NOT higher. Higher will burn the outside before the center is done. This is why you don't see low and slow pizza or 30—minute pork butt.
Thanks for the note and rating. And this is the first time I got to answer like that—I start typing and can't stop.
Dan
Evita Flegle says
How can I publish pictures in articles on Wikipedia without infringing copyright?
Dan Mikesell AKA DrDan says
Briefly, no. See https://www.101cookingfortwo.com/money-links-and-advertising/ for more information
Dan.
Susan says
Cooked much faster than expected - followed the 20 minute @500 and then 20 at 325 to temp check. My 2.89 # roast was 155 degrees. So very disappointed very much over done - I followed exact direction.
Susan says
I reported the over cooked issue. I think I realized what happened for meat to get over done. I roasted in a black iron skillet - could that be my problem? I think my stove temp is calibrated ok.
Dan Mikesell AKA DrDan says
Hi Susan,
Sorry, I missed your follow-up comment. Yes, that will definitely affect cooking time and is the probable cause of your issue. It is related to the heat conductivity of cast iron.
Dan
Cynthia says
Amazing! So happy I found this recipe!!! Came out perfect!
Roberta McGowan says
Great instructions, turned out perfect! Merry Chrit
Suzi S says
OMG! My first time making a rib roast and it is beyond delicious. An almost 3 lb roast cooked perfectly according to your directions. I may eat the entire thing. Thank you!
Leslie says
Every holiday especially at Thanksgiving and Christmas (all year long) I use your easy gourmet recipes. They are now part of our family tradition. This prime rib recipe always comes out perfect every time I make it
Thank you
Leslie
Dan Mikesell AKA DrDan says
Thanks Leslie,
Have a great holiday.
Dan
Carole says
How do I cook a 5 lb. boned rib roast?
Dan Mikesell AKA DrDan says
Hi Carole,
Welcome to the blog... but I'm going to beg-out of answering. I have not gone over 3 1/2 pounds in many years.
I will give a few comments. The thickness of the meat is a bit more important than the weight determining the cooking time and bones absorb more energy so bone-in takes a bit longer than boneless.
A rest of the meat at room temperature will help cook larger pieces get to the right final internal temperature. An old trick that works well. I see some recipes very long times but please be safe and I only would do 1 hour max.
I might just skip the sear for a bigger roast. That would allow longer oven time without overcooking to surface to get to the internal temperature you want.
Lastly, always cook to a final internal temperature and NEVER by time alone.
Hope that helps some.
Dan
Carolyn S. says
I would refer you to Paula Deen's recipe for "Foolproof Standing Rib Roast". It has never failed me. Google is your friend.