1 lg. standing rib roast

Put any standing rib roast of beef in a 350 degree oven around 12 noon for 1 hour. Turn off oven, but leave roast in oven without opening door. One hour before serving, turn on oven again to 350 degrees and finish cooking for 1 more hour. Roast will be medium rare when cooked this way. Add 15 minutes for medium or more.