Heat oven to 375°F. Prepare Dinner as directed on package. While Macaroni is cooking, brown meat with peppers and onions in large skillet; drain. Stir in pizza sauce. Spoon Dinner into 8-inch square baking dish; top with meat mixture and mozzarella. Cover. Bake 20 min. or until heated through. Substitute:Substitute thawed frozen LOUIS RICH Pure Ground Turkey, ground round or ground sirloin for the ground beef. Use Your Microwave: Assemble recipe as directed in 1-1/2-qt. microwaveable dish. Microwave on HIGH 6 to 8 min. or until heated through, turning dish every 2 min. Nutrition Information Per Serving: 550 calories, 25g total fat, 10g saturated fat, 90mg cholesterol, 1150mg sodium, 44g carbohydrate, 3g dietary fiber, 8g sugars, 36g protein, 15%DV vitamin A, 30%DV vitamin C, 25%DV calcium, 25%DV iron.