HEAT oven to 375°F.
BROWN meat in large skillet; drain. Add macaroni, spaghetti sauce, 1/2 cup Cheddar and Parmesan; mix well.
SPOON into 8-inch square baking dish.
BAKE 15 min. or until heated through. Top with remaining Cheddar; bake 3 to 4 min. or until melted.