Pizza Casserole
1 medium onion
2-8 oz cans pizza sauce
1-10oz can mushrooms
1/4 cup minced green pepper
1 cup uncooked macaroni
1/2 lb. or more hamburger
10 oz shredded mozzarella cheese
5 mini pepperoni
Cook macaroni and drain. Cook hamburger. Mix all but small amount of the cheese together. Put remaining cheese on top. Bake at 350F until hot and cheese is bubbling.