Crock-Pot Pizza
["1 1/2 lb. hamburger", "1 medium onion, chopped", "2/3 box rigatoni pasta, cooked and drained (I use whatever I have)", "1 qt. pizza sauce", "1 lb. Mozzarella cheese, shredded", "1 pkg. pepperoni", "1 large can mushrooms, drained"]
["Layer 3 times in crock-pot.", "Cook on low 5 hours.", "I often toss in other pizza toppings, black olives, green peppers, etc. Again whatever I have at the house."]
["hamburger", "onion", "rigatoni pasta", "pizza sauce", "Mozzarella cheese", "pepperoni", "mushrooms"]