1 lb. hamburger
1 onion (med. size), chopped
1 pkg. spaghetti sauce mix
1 (15 oz.) can tomato sauce
1/2 c. water
8 oz. Mozzarella cheese
2 eggs
1 c. milk
1 tbsp. oil
1 c. flour
1/2 tsp. salt
Parmesan cheese

Brown hamburger and onion. Drain. Add sauce mix, tomato sauce and water. Simmer 10 minutes. Spoon mixture into greased 13 x 9 x 2 inch baking pan. Sprinkle Mozzarella cheese over top.

Beat eggs, milk and oil until foamy. Add flour and salt; beat until smooth. Pour batter over meat and cheese, spreading evenly. Sprinkle top with Parmesan cheese. Bake in preheated 400 degree oven for 30 minutes or until puffy and golden brown. Cut in squares and serve hot.