1 lb. hamburger
1 lb. rigatoni
1 1/2 lb. Mozzarella cheese
1 lg. sausage
2 lg. jars spaghetti sauce
1 lg. can mushrooms

Brown meats, drain off fat. Cook rigatoni, drain. Mix spaghetti sauce, mushrooms, meat and rigatoni together. Layer in large baking pan or small roaster, 1/2 sauce, 1/2 cheese. Add another layer of sauce, then cheese. Top with sliced pepperoni. Bake at 350 degrees for 40 minutes. May prepare in crockpot.