This easy Broccoli Rice Casserole uses simple pantry ingredients to turn leftover turkey into a quick and easy meal that the whole family will love! This comforting casserole features perfectly cooked rice, tender broccoli, and juicy turkey in a creamy cheesy sauce all topped off with a buttery cheesy topping. The best part is that it uses ingredients you likely have on hand already and takes about 10 minutes of prep!