Whisk together BBQ sauce, grape jelly, Sriracha sauce, Worcestershire sauce, garlic and pepper. Pour half of BBQ sauce mixture over pork tenderloin. Remove excess air from zip top bag and seal. Place pork tenderloins in refrigerator for an hour to overnight to marinate. Cover remaining marinade/ sauce with plastic wrap and store in the refrigerator for later use.
Bake at 425º F. or grill pork tenderloins until they reach an internal temperature of 160º F. Remove from oven or grill and place in covered glass or ceramic casserole dish for five to ten minutes to rest.
When ready to serve, brush with additional BBQ sauce. Serve with additional sauce on the side.
Notes
Storage Tips
To store leftovers. Leftover pork tenderloin should be stored in an airtight container in the refrigerator. When properly stored, it should last for 3 to 5 days.To make ahead. This BBQ pork tenderloin recipe can be made ahead for meal prep or serving for a special meal. Store the cooked and cooled pork tenderloin in an airtight container in the refrigerator for 3 to 5 days. Reheat and serve.To freeze. Cook and cool the pork tenderloin. Store in an airtight, freezer-safe container. When stored properly, pork tenderloin freezes well. It is best to use within 3 months. Thaw in the refrigerator overnight and then reheat and serve.