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Rock Salt-Encrusted Prime Rib
Rock Salt-Encrusted Prime Rib
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Prep Time:
30 minutes
Cook Time:
195 minutes
Total Time:
275 minutes
Indulge in succulent rock salt prime rib for robust flavor. Serve with homemade au jus for a perfect finish.
Ingredients:
  • 20 pounds standing rib roast (weight with bones), top fat trimmed
  • 2 (1 ounce) packages dry onion soup mix
  • 2 tablespoons freshly ground black pepper
  • 8 cups rock salt
  • 8 cups all-purpose flour
  • 2 tablespoons crushed dried rosemary
  • 2 cups water, or more if needed
Instructions:
  • Heat the oven to 450°F (230°C).
  • Start by washing the roast and gently drying it with paper towels. Combine soup mix and pepper in a small bowl, then generously rub the mixture onto all sides of the roast. Transfer the roast to a clean baking sheet and allow it to sit for 30 to 45 minutes before proceeding.
  • Combine the rock salt, flour, and fragrant rosemary in a bowl. Slowly incorporate water and knead by hand (wear gloves if preferred) until a thick, paste-like batter forms, adding more water as needed.
  • Press the salt batter into the bottom of a roasting pan to create a layer that is 1/2 to 3/4 inch thick; set aside 1 to 2 cups of batter. Position the roast, bone side down, in the center of the pan over the batter. Encase the roast entirely by folding the batter up and around it. If needed, add more batter to cover the meat completely. Insert an oven-safe meat thermometer into the roast, ensuring the gauge is visible from the front of the oven.
  • Bake in the preheated oven for 15-20 minutes. Afterward, fix any holes or breaks in the coating with the leftover salt batter.
  • Place the roast back in the oven and cook until it reaches an internal temperature of 130°F (54°C), around 3 hours, or until cooked to your liking. Take it out of the oven and allow it to rest until the internal temperature hits 140°F (60°C), for 20 to 30 minutes.
  • Remove and discard the salt crust, then slice and enjoy.