Upside Down Pizza Casserole 1/2 pound Italian sausage links or about 4 bratwurst links 1 (8 ounce) can tomato sauce 1 to 2 cup shredded mozzarella cheese 1 cup milk 1 cup flour 2 tablespoons vegetable oil 1 teaspoon salt 2 eggs Sprinkle of Parmesan cheese Dash of oregano Remove skins from sausages and lightly brown the meat in a frying pan. Pour off any excess fat. Put into a 13 x 9 x 2-inch pan. Pour tomato sauce over sausage. Add a layer of mozzarella cheese. For the crust: While sausage is cooking, mix together the milk, flour, oil, salt and eggs (it will be like pancake dough). Pour mixture evenly over the layer of cheese. Sprinkle with Parmesan cheese, then a little oregano. Bake at 350 degrees F for about 45 minutes.