Preheat oven to 350°F.
Place pork tenderloins in a baking pan and score the meat lightly with a knife.
Place butter into a bowl and microwave until melted.
Add hot sauce, minced garlic, garlic powder, parmesan cheese, salt, and pepper. Mix together until combined.
Spoon mixture onto tenderloins, pressing the mixture into the scored meat, and spread over entire tenderloins until completely covered.
Bake for 60 – 70 minutes or until internal temperature is 150°F.
Let rest for 10 minutes before cutting.