Spaghetti Casserole
["1 (7 oz.) box spaghetti, broken up", "3 Tbsp. margarine", "1 oz. Parmesan cheese", "2/3 c. Ricotta cheese", "1 lb. hamburger", "1 green pepper, chopped", "1 medium onion, chopped", "1 (26 1/2 oz.) can spaghetti sauce", "3 oz. Mozzarella cheese", "1 egg, beaten"]
["Cook and drain spaghetti.", "Mix together 1 beaten egg, 1 tablespoon margarine, 1 ounce Parmesan cheese and spaghetti. Place in a 9 x 12-inch casserole dish.", "Spread 2/3 cup Ricotta cheese over spaghetti mixture."]
["margarine", "Parmesan cheese", "Ricotta cheese", "hamburger", "green pepper", "onion", "spaghetti sauce", "Mozzarella cheese", "egg"]