1 (7 1/4 oz.) pkg. Kraft macaroni and cheese dinner
1 lb. ground beef, browned and drained
1 (15 1/2 oz.) jar spaghetti sauce
1 1/2 c. shredded Mozzarella cheese

Brown ground beef. Prepare macaroni and cheese as directed on package. In 9 x 13 inch pan, layer as follows: macaroni and cheese (bottom), beef, sauce, cheese. Bake at 350 degrees for 1/2 hour.