Crock Pot Pizza - cooking recipe

Ingredients

1 1/2 lbs hamburger, browned and drained
16 ounces mozzarella cheese, shredded
1 onion, chopped
1 (8 ounce) package sliced pepperoni
0.667 (12 ounce) box rigatoni pasta, cooked
1 (10 1/2 ounce) can cream of mushroom soup
1 (4 ounce) can mushrooms
2 (14 ounce) jars pizza sauce

Preparation

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