Popover Pizza - cooking recipe

Ingredients

1 lb. ground chuck
1 large onion, chopped (1 c.)
1 jar spaghetti sauce (Ragu)
2 eggs
1 c. milk
1 Tbsp. vegetable oil
1 c. sifted flour
1/2 tsp. salt
1/2 c. grated Parmesan cheese
8 oz. sliced Mozzarella cheese

Preparation

Preheat oven to 400\u00b0.
Grease a 9 x 13 x 2-inch pan.
Brown beef with onion in large skillet, breaking it up with a spoon as it cooks.
Drain excess fat from skillet.
Stir in spaghetti sauce and simmer 10 minutes.
Spoon into prepared pan; top with slices of cheese.