1 lb. hamburger
1 med. onion
1 box curly Q macaroni
3 oz. cream cheese
1/2 c. cottage cheese
1/2 c. sour cream
1 can spaghetti sauce (with mushrooms)
1 can pizza sauce
1 pkg. pepperoni slices

Put in casserole; top with mozzarella cheese. Bake at 350 degrees for 1 hour.