Place prime rib roast on a plate and bring to room temperature, 2 to 4 hours. Preheat an oven to 500 degrees F (260 degrees C). Combine butter, pepper, and herbes de Provence in a bowl; mix until well blended. Spread butter mixture evenly over entire roast. Season roast generously with kosher salt.
Prime Rib Roast - A 5-6 pound prime rib roast. Try to choose one with plenty of marbling. You can make my prime rib rub ahead of time and use it for roasts, steaks, chops, etc. Salt - 3 tablespoons of coarse ground salt. Pepper - 2 tablespoons of coarse ground pepper. Garlic Powder - 1 tablespoon of garlic powder.
What is slow-cooked prime rib? Slow-cooked prime rib is a prime rib that has been cooked slowly and at a low temperature in the oven to maximize tenderness and lock in the flavor from the juices of the roast. The ideal oven temperature for slow-cooked prime rib is 200°F (or 93°C) at approximately 40 minutes per pound.
Reheat with other side dishes. This boneless prime rib roast is crusted with an herb and garlic rub for a tender, juicy, and perfectly cooked holiday dinner. With easy-to-follow step-by-step instructions, learn how to choose the perfect rib roast, how long to cook it, and how much you need per person.