TODAY Nutritionist Joy Bauer packs a deliciously sweet (and nutritious!) punch in her simple sweet potato casserole recipe. The secret ingredient? Baby carrots! They provide a gorgeous, bright orange color, pack in more vitamins and help lower both the calories and carbs in this traditionally decadent dish. Your whole family will love this take on the classic Thanksgiving side dish. And don’t worry, you can still top it with marshmallows!