1 sm. onion
1 lb. hamburger
1 (14 oz.) Prego
1 (8 oz.) pkg. cream cheese
1 (8 oz.) cottage cheese
1 (8 oz.) sour cream
12 oz. macaroni
Mozzarella cheese, shredded

Brown hamburger slightly, add Prego, simmer 15 to 20 minutes. Cream together cream cheese, cottage cheese and sour cream. In large casserole dish, layer macaroni, cheese, sour cream mixture, and hamburger. Top with grated cheese. Bake at 350 degrees for 15 to 20 minutes or until bubbly.