Recipe: Prime Rib Prime Rib, with fat on. 6 Cloves Minced Garlic Rock Salt, enough to form a crust 1 Cans Beef Broth 1 Cans Chicken Broth Leave fat on Prime rib. Rub good with garlic. Then heavly sprinkle with rock salt to form a crust over surface of Prime Rib. Place bone side down in pan. Cook at 500 for 15 minutes, then reduce heat and cook until internal tempature of meat is between 115-120. Remove and let sit for 5 minutes. Remove crust and cut meat into slices. Combine both broths in a shallow pan. Add a chunk of the crust and heat until it is just below a simmer. Place each piece of meat in broth until cooked to the desired doneness for the eater.