Chicken Fried Steak Burgers with Vidalia Onion Gravy Ingredients 4 hamburger beef patties ½ cup all-purpose flour 1 tablespoon cornstarch ½ teaspoon salt ¼ teaspoon freshly ground black pepper ⅛ teaspoon cayenne pepper ½ teaspoon garlic powder ½ teaspoon onion powder 2 tablespoons unsalted butter 1 tablespoon extra virgin olive oil 1 large Vidalia or