Ever heard of a sandwich so popular, that it’s become an ingredient all by itself? That’s right: the Philly Cheese Steak can also be pizza topping, a potato chip, and even a soup. But let’s explore the real deal, the famous sandwich that is loved (and debated) far and wide by everyone who bites into it. Tender thin beef, onions, and gobs of gooey provolone on a bun that soaks up every last bit of flavor. Nothing could be better than this recipe, in or outside of Philadelphia.