Step 1: Preparing the Prime Rib

Start by removing the prime rib roast from the refrigerator. Allow it to come to room temperature for about 1-2 hours. This step is crucial for ensuring even cooking throughout the roast. While the roast is resting, preheat your oven to 450°F (230°C).

Step 2: Creating the Salt Mixture

In a large mixing bowl, combine the kosher salt, black pepper, chopped rosemary, chopped thyme, and minced garlic. Mix the ingredients well to ensure an even distribution of flavors. The combination of herbs and garlic in the salt mixture enhances the natural flavor of the beef and contributes to the formation of a flavorful crust.

Step 3: Seasoning the Roast

Pat the prime rib roast dry with paper towels to remove any excess moisture. This step helps achieve a beautiful crust during roasting. Next, rub a thin layer of olive oil or softened butter all over the roast. This will help the salt mixture adhere better and add richness to the flavor. Generously coat the roast with the salt mixture, pressing it firmly into the meat to create a thick, even crust.

Step 4: Roasting the Prime Rib

Place the seasoned roast on a rack in a roasting pan, bone side down. This position allows the heat to circulate around the roast, ensuring even cooking. Insert a meat thermometer into the thickest part of the roast, making sure it does not touch the bone.

Roast the prime rib in the preheated oven at 450°F (230°C) for about 20 minutes. This initial high temperature helps to develop a beautiful crust. After 20 minutes, reduce the oven temperature to 325°F (160°C) and continue roasting until the desired doneness is reached. Use the following guidelines for internal temperatures:

• Rare: 120°F (49°C)
• Medium rare: 130°F (54°C)
• Medium: 140°F (60°C)
• Medium well: 150°F (65°C)
• Well done: 160°F (71°C)

As a general rule, plan for about 15-20 minutes of cooking time per pound of roast, but always rely on your meat thermometer for accuracy.

Step 5: Resting the Prime Rib

Once the roast reaches your desired temperature, remove it from the oven and transfer it to a cutting board. Tent the roast loosely with aluminum foil and let it rest for at least 20-30 minutes. Resting is essential; it allows the juices to redistribute throughout the meat, ensuring a tender and juicy prime rib when sliced.

Step 6: Removing the Salt Crust

After resting, use a carving knife to carefully slice away the salt crust. This crust can be quite hard, so take your time to avoid tearing the meat. Once the crust is removed, slice the prime rib into thick, even slices.

Step 7: Serving the Prime Rib

Arrange the slices on a serving platter and garnish with fresh herbs for an elegant presentation. Serve the prime rib with horseradish sauce, au jus, and your favorite side dishes.