Prime rib roast on a wooden cutting board with one piece partially sliced - Alle12/Getty Images A prime rib roast is a beautiful thing to make for special occasions, or just because you want to cook ...

Add Yahoo as a preferred source to see more of our stories on Google. The meaty roast feels a little higher stakes because it's pricey, so you really don't want to mess it up, even in leftover form.

Leftover prime rib has never tasted as good as when it's piled high with buttery sauteed onions and mushrooms, horseradish ...