1 box rigatoni, cooked
1 1/2 lbs. ground chuck, browned & drained
1 lg. pkg. sliced pepperoni
1 green pepper, chopped
2 lg. pkgs. Mozzarella cheese
2 lg. cans pizza sauce
1 med. onion, chopped
2 lg. cans mushrooms
Green olives, sliced

Begin with layer of sauce on bottom of crock pot. Stir all remaining ingredients together. Place in crock pot and cook on low for 5 hours.