In a Reuben sandwich, where flavor complexity is always appreciated, leftover prime rib fits right in. When you let it mingle with melted cheese and sauerkraut, that's when its glorious flavor ...

Potbelly is adding steak to its iconic menu with the all-new Prime Rib Steak Sandwich.  This toasty masterpiece brings even more flavor to the Potbelly menu, featuring tender sliced prime rib steak, ...