DO-AHEAD TIP: Marinate pork tenderloin for 20 minutes (see recipe).
COOKING INSTRUCTIONS: Preheat oven to 375 degrees.
Place tenderloin in a large zipper-topped plastic bag. In a medium bowl, whisk together remaining ingredients (orange juice through salt and pepper); pour over pork then seal bag and turn to coat.
Refrigerate for 20 minutes.
Place marinated tenderloin in a large baking dish; bake for 25 to 30 minutes until no longer pink in the center.