By Mayo Clinic Staff. Yellow tongue â a yellow discoloration of your tongue â is usually a temporary, harmless problem. Most often, yellow tongue is an early sign of a disorder known as black hairy tongue. Rarely, yellow tongue may be a sign of jaundice, a yellowing of the eyes and skin, which sometimes indicates liver or gallbladder problems.
Grab a shallow pan and place the prime rib in it with the bone side facing down. Roast it at 450 degrees F for 15 minutes to sear the outside, and then turn the oven down to 350 degrees F. Continue roasting the prime rib for 45 to 90 minutes, depending on how done you like your meat. Check it by inserting an instant-read thermometer in the meatiest part of the roast.
A 14 lb boneless prime rib should take about 10.5 hours. If you have an electronic temperature probe, use it. If you want to cook the prime rib at a higher temperature, start out a 450 degrees F for 15 minutes, then reduce the temperature to 325 degrees F, and roast for 12 to 13 minutes per pound. I would err on the lower amount of time side and roast at 12 minutes per pound or in the case of your prime rib 2.5 to 3.0 hours.