Prime Rib Roast
["1/4 c. worcestershire sauce", "1 (5 to 6 lb.) prime rib roast (at room temperature)"]
["Pour worcestershire sauce over roast.", "Place roast on a rack in a broiler pan.", "Bake at 550\u00b0 for 6 minutes.", "Reduce heat to 350\u00b0 and bake 18 to 20 minutes per pound.", "This will be medium rare."]
["worcestershire sauce", "prime"]