Ingredients Original recipe yields 14 servings Ingredient Checklist 1 (7 pound) bone-in prime rib, trimmed and retied to the bone 8 cloves garlic 2 tablespoons olive oil 2 teaspoons kosher salt 2 teaspoons freshly ground black pepper 1 ounce fresh rosemary, or to taste 1 ounce fresh thyme, or to taste Directions Instructions Checklist Step 1 Preheat oven to 350 degrees F (175 degrees C). Step 2 Slice several slits into the top of prime rib; push garlic cloves into slits. Coat prime rib with olive oil and season with salt and pepper. Arrange rosemary sprigs and thyme sprigs atop prime rib and place in a roasting pan. Step 3 Bake in the preheated oven until browned on the outside and pink in the center, 3 1/2 to 4 hours. An instant-read thermometer inserted into the center should read at least 125 degrees F (52 degrees C). Allow prime rib to rest 15 minutes before slicing.