Pizza Casserole
["4 oz. pepperoni", "1 medium onion", "1/3 c. margarine", "8 oz. large shells", "1 (8 oz.) can pizza sauce", "4 oz. mushrooms", "1/2 tsp. oregano", "1/2 tsp. basil"]
["Fry onion and margarine.", "Boil pepperoni 10 minutes and remove excess fat and drain.", "Add all other ingredients.", "Bake at 350\u00b0 for 30 minutes."]
["pepperoni", "onion", "margarine", "large shells", "pizza sauce", "mushrooms", "oregano", "basil"]