Crock-Pot Pizza - cooking recipe

Ingredients

1 1/2 lb. hamburger
1 medium onion, chopped
2 cans pizza sauce
1 (10 oz.) pkg. Mozzarella cheese
1 (7 oz.) pkg. macaroni
4 oz. pepperoni
1 can sliced mushrooms

Preparation

Brown and drain hamburger.
Cook and drain macaroni.
Layer ingredients in crock-pot.
Add your own choice of whatever extra ingredients you want (olives, green peppers, etc.).
Cook 3 hours on low.