Popover Pizza
["1/2 to 2 lb. hamburger", "1 onion", "1 envelope spaghetti sauce mix", "1 (15 oz.) can tomato sauce", "8 oz. Mozzarella cheese, grated", "1 c. flour", "2 eggs", "1 Tbsp. oil", "dash of salt", "Parmesan cheese", "1 c. milk"]
["Fry hamburger and onion.", "Add spaghetti sauce and tomato sauce. Put into 9 x 13-inch pan.", "Sprinkle Mozzarella cheese over mixture. Mix flour, eggs, oil and salt.", "Pour over meat mixture.", "Sprinkle Parmesan cheese on top.", "Bake at 375\u00b0 for 20 minutes."]
["hamburger", "onion", "spaghetti sauce mix", "tomato sauce", "Mozzarella cheese", "flour", "eggs", "oil", "salt", "Parmesan cheese", "milk"]