Standing Rib Roast and Prime Rib: Recipes and Cooking Times

Medium Rare (Internal temperature- 145 degrees)- 23-30 minutes per pound

Medium (Internal temperature- 160 degrees)- 27-38 minutes per pound

Medium Rare (Internal temperature- 140 degrees)- 39-43 min per lb.

Medium Rare (Internal temperature- 145 degrees)- 20-22 min. per lb.

Medium Rare- (Internal temperature- 145 degrees)- 45-60 minutes total

Medium Rare- Internal temperature- 145 degrees)- 35-45 minutes total