(Note the exact net weight after the roast is Frenched, since that determines the roasting time.) Remove the roast from the refrigerator 2 hours before cooking. Preheat the oven to 450 degrees.

“Prime rib roast is also called a standing ... and will cook evenly throughout,” Petropoulos explains. ”If it’s the least bit cold in the middle when you put it in the oven, you could ...