This is a favorite of ours ...
4 to 5 lb. prime rib roast
Salt and Pepper
Mc Cormick Au Ju Gravy Mix
Preheat oven to 450 degrees F. Fat side up in roasting pan season with salt and pepper. Place uncovered in a 450 degree oven for 20 minutes to seal in the juices.
Prepare Mc Cormick's gravy and serve on the side.
For a Horseradish sauce:
Mix 6 T. horseradish sauce with 6 T. sourcream.
serve on the side.