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Prime Rib Roast

Posted by mmillet on December 10, 2013

Prime Rib Roast

This is what you need to Traeger when you get that itching to eat like royalty. Prime Rib is a cut of beef marbled with fat that melts into the meat, making it oh-so succulent and richly juicy. The garlic and herb rub slathered on the prime rib permeates the roast with an insane amount of efflorescent flavor. Each bite will melt like butta in your mouth.


PREP TIME: 2 hours to marinate
COOK TIME: 2 1/2 to 3 1/2 hours
RECOMMENDED PELLETS: Mesquite, Hickory, Pecan or Oak
SERVES: 8 to 10


One 6 pound boneless prime rib roast
5 cloves garlic, coarsely chopped
2 tablespoons red wine vinegar
1/2 cup coarsely chopped fresh parsley
1 tablespoon fresh rosemary needles
1/2 cup olive oil or vegetable oil
Traeger Prime Rib Rub, or coarse salt (kosher or sea) and pepper
2 cups beef broth, preferably low-sodium


Tie the roast at 2-inch intervals with butcher's string. Put it in a large resealable plastic bag.

Make the marinade: In a blender jar or small food processor, combine the garlic, red wine vinegar, parsley, and rosemary. Add a couple of tablespoons of the oil and pulse to chop the garlic and herbs. Add the remaining oil in a small stream until the mixture is well blended.

Pour the herb mixture over the roast, coating it on all sides.

Allow the roast to marinate for two hours at room temperature. (Or, you can refrigerate for several hours. Let the roast come to room temperature before roasting.)

Remove the roast from the marinade. Discard marinade. Liberally season the roast on all sides with Traeger Prime Rib Rub. Place the roast, fat-side up, in a V-shaped rack in the roasting pan.

Pour the beef broth into the bottom of the pan.

When ready to cook, start the Traeger grill on Smoke with the lid open until the fire is established (4 to 5 minutes). Set the temperature to 450 degrees F (High) and preheat, lid closed, for 10 to 15 minutes. Arrange the pan with the prime rib on the grill grate and roast for 30 minutes.

Reduce the temperature to 250 degrees F (or Medium) and continue to cook until the internal temperature of the roast is 130 degrees F (for medium-rare), 2 to 3 hours.

Prime Rib Roast

Transfer the roast to a cutting board and let rest, loosely covered with foil, for 20 minutes.

Meanwhile, make a jus. Pour the drippings into a small saucepan or microwaveable container and skim off any fat that rises to the top. Taste the jus for seasoning, adding salt and/or pepper or more broth as needed. Rewarm before serving. Carve the roast into thick slices and serve with the jus.

Prime Rib Roast