Popover Pizza
["1 lb. ground chuck", "1 envelope spaghetti sauce mix (1 1/2 oz.)", "1 (15 oz.) can tomato sauce", "1/2 c. water", "8 oz. pkg. sliced Mozzarella cheese", "1 c. milk", "1 c. flour", "1/2 c. grated Parmesan cheese", "1 c. chopped onion", "2 eggs", "1 Tbsp. oil", "1/2 tsp. salt"]
["Preheat oven to 400\u00b0.", "Grease 9 x 13 x 2-inch baking pan. Brown beef with onion in large skillet, breaking up with a spoon as it cooks.", "Spoon off fat.", "Stir in sauce mix, tomato sauce and water.", "Simmer 10 minutes.", "Spoon into prepared pan and top with slices of cheese.", "Place in oven to keep hot."]
["ground chuck", "spaghetti sauce mix", "tomato sauce", "water", "Mozzarella cheese", "milk", "flour", "Parmesan cheese", "onion", "eggs", "oil", "salt"]