Upside-Down Pizza - cooking recipe

Ingredients

1 lb. ground beef
1 medium onion, chopped
1 (14 oz.) jar Ragu Pizza Quick sauce
3/4 c. Bisquick mix
1 1/2 c. milk
2 eggs
2 c. shredded Mozzarella cheese
1 c. mushroom pieces (optional)

Preparation

Brown ground beef and onion over medium heat.
Drain off fat, then spoon into an 8-inch square baking dish.
Top with pizza sauce, mushrooms and cheese. Combine Bisquick mix, milk and eggs; beat until smooth.
Pour mixture over casserole, covering evenly. Bake at 400\u00b0 for 30 to 35 minutes.
Let set a few minutes before serving.
To serve, cut in squares and turn pieces upside-down on plate.