Prep Time: 20 minutes
Cook Time: 30 minutes
Total Time: 50 minutes
Servings: 12
Preheat oven to 350°F.
Prepare macaroni and cheese according to package directions. In a greased 13-in. x 9-in. baking dish, spread half of the macaroni and cheese. Top with meatballs and cheddar cheese. Top with remaining macaroni and cheese.
In a small saucepan, melt butter over medium heat. Stir in breadcrumbs. Cook and stir for 2 minutes, until crumbly. Sprinkle over macaroni and cheese.
Cover and bake for 25 minutes. Uncover; bake 5 minutes longer or until heated through and lightly browned.