You’ll need to cook prime rib for approximately 15 to 20 minutes per pound for rare to medium-rare, and 20 to 25 minutes per pound for medium to medium-well. If you set the oven to 325°F, add ...

You’ll need to cook prime rib for approximately 15 to 20 minutes per pound for rare to medium-rare, and 20 to 25 minutes per pound for medium to medium-well. If you set the oven to 325°F, add ...

Cooking time depends on the size of your prime rib, whether it includes bones, your oven temperature, and how rare you prefer your beef. For instance, let’s say you set the oven to 350°F.