1 If there are two authors, the names of them both are mentioned. 2  If there are three or more authors, only the name of the first one is given (in foot-and endnotes) or all of them are listed (in bibliography). 3  If only the editor or compiler is known, mark his or her name with âed.â abbreviation.
Sear the rib roast (prime rib) for 15 minutes at the higher oven temperature (450 degrees F.), then turn the oven to the lower temperature (325 degrees F.) for the rest of the cooking time. Every 1/2 hour, baste the cut ends of the roast with the fat accumulated in the roasting pan. Do Not Cover the roast.esidual Heat or Carry-Over Cooking: Remember, the rib roast will continue to cook as it sets. The internal temperature will rise to 125 degrees F. to 130 degrees F. (medium rare) in approximately 15 to 20 minutes. If allowed to rest as long as an hour, the internal temperature will rise even higher.
Check out recipetips.com on Beef Cooking Times. I can give the time and temp for tip round roast beef: Round tip roast 325Â°F for 3-4 lbs for rare is 28-30 min, for med rare is 30-35min, for medium is 38-45 min, for med well is 45-48 min, and for well is 48-50 min.est Answer: In a preheated 300 degree oven..about 25 minutes per pound for medium..30 minutes for well done. assuming the roast is room temperature or close when put in. if you have a meat thermometer you want 150 degrees in the center for medium or 160 for well.