The most popular, and in the opinion of many the most delicious Italian American sandwich, comes from Philadelphia—the Philly Cheese Steak.
Made with thinly sliced, sautéed rib-eye beef and melted cheese—usually cheddar, or American, even Cheese Whiz, though provolone has been an option from the start—and served on a long, crusty roll with fried onions, spicy peppers, sometimes sautéed mushrooms and tomato sauce.