Preheat oven to 350ºF. Arrange opened Cooking Bag in 13x9-inch baking pan or dish. Place pork tenderloins in bag.
Sprinkle Seasoning Mix evenly over pork. Turn pork in bag until evenly coated. Close bag loosely with nylon tie. Cut 4 small holes in top of bag to allow steam to escape.
Bake in lower half of oven 25 to 30 minutes. Remove from oven. Let stand 5 minutes. Cut open bag. Slice pork and serve with pan juices.