This recipe for prime rib uses a blend of garlic, rosemary and oregano to make it taste so yummy!   Perfect Prime Rib Ingredients 5 lb. boneless prime rib roast ¼ cup chopped rosemary 1 Tablespoon dried oregano ¼ cup olive oil 4 cloves garlic, minced 3 Tablespoons sea salt 1 Tablespoon black pepper