An incredible use for leftover prime rib? Prime rib steak sandwiches layered with melted provolone cheese, slices of prime rib, caramelized onions, arugula, and horseradish cream sauce.
Prep Time 45 minutes
Cook Time 40 minutes
Total Time 1 hour 25 minutes
If your steak is already sliced up you can just warm it up on the stovetop on on a small skillet. Alternatively you can add the thin steak slices on top of the provolone just before placing into the oven to broil and melt the cheese.