1 1/2 lb Lean ground beef, browned and drained
2/3 box Rigatoni noodles, cooked
1 can Cream of mushroom soup
2 Large packages of Mozzarella cheese
1 can Mushrooms
1 Onion, chopped
2 cans Pizza sauce
1 pkg. Pepperoni, sliced


Alternate layers in crock pot as follows: hamburger, noodles, cheese, soup,
mushrooms, onions, sauce and pepperoni. Heat 4 hours on low in crock pot.