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Ingredients
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Prime Rib
Au Jus
Horseradish Sauce
Method
Preparing the Prime Rib
- 1
Season the Prime Rib
Rub the prime rib roast with olive oil, then season generously with kosher salt, black pepper, garlic powder, and onion powder. Make sure to cover all sides.
- 2
Preheat the Oven
Preheat your oven to 450°F (232°C).
- 3
Roast the Meat
Place the seasoned prime rib on a rack in a roasting pan. Roast in the preheated oven for 15 minutes, then reduce the temperature to 325°F (163°C) and continue cooking for about 1.5 to 2 hours, or until the internal temperature reaches 130°F (54°C) for medium-rare.
- 4
Rest the Meat
Once cooked, remove the prime rib from the oven and let it rest for at least 20-30 minutes before slicing. This allows the juices to redistribute.
Making the Au Jus
- 5
Prepare the Au Jus
In a saucepan, combine beef broth, red wine, chopped onion, whole garlic cloves, thyme leaves, and black peppercorns. Bring to a boil over medium-high heat.
- 6
Simmer
Reduce the heat and let the mixture simmer for about 20-30 minutes, until slightly reduced. Strain the liquid to remove solids and keep warm.
Making the Horseradish Sauce
- 7
Combine Ingredients
In a bowl, mix together prepared horseradish, sour cream, lemon juice, and salt to taste. Adjust seasoning as desired.
- 8
Chill
Refrigerate the horseradish sauce for at least 30 minutes before serving to allow flavors to meld.