Originally Posted by
rittenhousesq
For a cheese steak, head to Jim's on South Street, or for an even more authentic Philly sandwich, go to DiNics in the Reading Terminal Market and order a roast pork with sharp provolone and broccoli rabe - won best sandwich in the U.S. on the Food Network.
I don't know that there is a sandwich that is ~more~ authentic to Philly than the cheesesteak, however, both of those are great recommendations (Jim's and DiNics).