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Prep & Cook Time: 7 hours

Difficulty Level: Easy

Serves: 12

Prime Rib Roast


3/4 cup

Dijon mustard

2 tsp

fresh ground black pepper

2 tsp

Kosher salt

1 tsp

onion powder

2 tsp

garlic powder

1/4 tsp

celery seed

1 tsp

fresh oregano, chopped fine or 1/4 tsp dried

1 tsp

fresh rosemary, chopped fine or 1/4 tsp dried

1 tsp

fresh parsley, chopped fine or 1/4 tsp dried

12-14 lbs 

Prime rib roast, ribs can be left on or off the bone, but for more flavor and tenderness bone-in is preferred 



Remove prime rib roast from refrigerator about 2 hours before roasting to bring to room temperature.


Pre-heat oven to 425oF. Line roasting pan with foil.


Combine all seasonings together to create a rub. Evenly apply rub to rib roast.


Bake the roast for 20 minutes at 425oF, then reduce oven temperature to 325oF and continue roasting for approximately 4 hours until internal temperature reaches 120oF for medium rare or 130oF for medium.


Remove from oven and let rest 30 minutes before removing the bone and serving.