Pepperoni Pizza Casserole
["1 1/2 to 2 lb. ground beef", "1 pkg. pepperoni", "1 can spaghetti sauce", "1 pkg. egg noodles", "1 lb. pkg. Cheddar cheese", "1 onion, chopped", "1 can mushrooms", "1 can pizza sauce", "1 lb. pkg. Mozzarella cheese"]
["Brown ground beef and onions.", "Add sauces and simmer.", "Cook noodles and drain."]
["ground beef", "pepperoni", "spaghetti sauce", "egg noodles", "Cheddar cheese", "onion", "mushrooms", "pizza sauce", "Mozzarella cheese"]