Preheat over to 400 Degrees F (Or smoker). 350 degrees if large Loin
Rinse and pat dry Tenderloins
Pierce the Tenderloins with a fork all over. Really poke it good
Rub oil all over the Tenderloins
Cover Tenderloins with Rub and pat into surface
Place meat into 13" x 9" baking dish
Drizzle the citrus juice over the Tenderloins
Add a splash of water to the bottom of the dish so it just covers the bottom to help with burning
Bake for 25-35 minutes until the internal temp is what you like. We are 140 Degrees F family. It will be slightly pink
Let the meat rest for at least 10 minutes
Slice and drizzle pan juice over tenderloin slices
If using a larger loin. Bake at 350 until 120 internal. Will take about an hour. Just keep checking it with probe. Once it hits 120 Degrees F internal, turn the oven up to 425 to crisp the outside and cook till desired internal temp.