Turkey sirloin with orange sauce

1. Preheat the oven to 200⁰C. 2. In an oven-safe dish, place the chopped onion in the bottom. 3. Place the turkey tenderloin on top of the onion in the baking dish. In a mortar and pestle, crush the garlic cloves and then add them to the turkey tenderloin. 5. Drizzle the tenderloin with the orange juice. The amount of juice will depend on your preference, but make sure it is well coated. 6. Add salt and pepper to taste. Bake for 20-25 minutes or until the turkey tenderloin is cooked through and juicy.