Learn how to grill a great pork tenderloin on a gas grill in this pictorial step by step guide. A properly grilled pork tenderloin will make you look like the grill master. Just don't tell them how easy it is.
Trim the tenderloin of any excess fat and the silverskin.
This is the point to brine if you wish. Start with 4 cups of water with 4 tablespoons salt. Add 2-4 tablespoons sugar of you want. Refrigerate for 1-2 hours. When done with the brine, remove from brine, rinse under running water and pat dry. You may season some at this point but DO NOT ADD SALT if you brine
Brush the grill with oil. Preheat grill to a surface temperature of 450° to 500°. Medium on my super duper grill but medium high on lesser grills. Clean and oil.
Place over direct heat. Close lid. Rotate 1/3 every 5 minutes until done to your liking. About 25 minutes for 140°. About 30 minutes for 150° (my wife's favorite). Remember, do not cook by time along. Use a thermometer. Time to get to your final temperature varies by weight of the tenderloin, exact surface temperature of the grill and the tenderloin at the start.
Remove from grill a few degrees less than your desired final temperature. Tent lightly for 5 minutes before serving.
Remember it is triangular meat not round. So a flip is 1/3 of a rotation.
Brine if you have time.
Cook over medium grill.
Final internal temperature of 145°-150° is nicely done.
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