Upside-Down Pizza - cooking recipe

Ingredients

1 lb. ground beef
1 large onion, chopped
1 (15 1/2 oz.) jar spaghetti sauce
desired toppings (pepperoni, mushrooms, olives, etc.)
1 large bag Mozzarella cheese
2 eggs
1 c. milk
1 Tbsp. oil
1 c. flour
1/2 tsp. salt
Parmesan cheese

Preparation

Brown beef and drain. Add onion and cook until tender. Add sauce and pour into a 9 x 13-inch pan. Top with desired toppings. Sprinkle with Mozzarella cheese.
Beat remaining ingredients except Parmesan cheese.
Pour over Mozzarella cheese. Sprinkle Parmesan cheese on top. Bake at 400\u00b0 for 30 minutes.