How long does it take to cook a 5.5 lb standing rib roast?
How long does it take to cook a 5.5 lb standing rib roast? Reduce the oven temperature to 350°F and roast for 16 minutes per pound (about 1¾ hours), or until a meat thermometer reaches an internal temperature of 135°F to 140°F for a medium-rare center. Let rest for 15 Read more…