Pop-Over Pizza
["1 lb. ground beef", "1 large onion, chopped", "1 1/2 oz. envelope spaghetti sauce mix", "1/2 c. water", "1 (8 oz.) pkg. Mozzarella cheese", "2 eggs", "1 c. milk", "1 Tbsp. oil", "1 (15 oz.) can tomato sauce", "1 c. flour", "1/2 tsp. salt", "1/2 c. Parmesan cheese"]
["Brown beef and onion.", "Stir in sauce mix, tomato sauce and water.", "Simmer 10 minutes.", "Spoon into greased 9 x 13-inch pan. Top with Mozzarella cheese.", "Beat eggs, oil and milk until foamy. Beat in flour and salt until smooth.", "Pour batter over meat filling; spread to cover completely.", "Sprinkle with Parmesan cheese.", "Bake at 400\u00b0 for 30 minutes."]
["ground beef", "onion", "spaghetti sauce", "water", "Mozzarella cheese", "eggs", "milk", "oil", "tomato sauce", "flour", "salt", "Parmesan cheese"]