Ingredients

  • 1 tablespoon allspice berries
  • 3 tablespoons black peppercorns
  • 3 tablespoons yellow mustard seeds
  • 3 tablespoons coriander seeds
  • 2 tablespoons cumin seeds
  • 3 tablespoons kosher salt, plus more for seasoning
  • One 6-rib standing beef rib roast (14 to 15 pounds), 1/2-inch fat cap left on the meat
  • 2 cups plain Greek yogurt
  • 1/4 cup plus 2 tablespoons drained horseradish
  • 2 tablespoons grated fresh ginger
  • 1 tablespoon freshly ground black pepper
  • 1 teaspoon sugar

Method

  • Put the allspice berries in a spice grinder and finely grind.
  • Pass through a fine strainer into a bowl.
  • Put the coarse bits in the strainer back in the grinder.
  • Add the peppercorns and coarsely grind.
  • Transfer to the bowl.
  • Coarsely grind the mustard seeds and add to the bowl.
  • Coarsely grind the coriander and then the cumin seeds; add to the bowl.
  • Stir the 3 tablespoons of salt into the spices.
  • Rub the spice blend all over the meat.
  • Cover the roast and refrigerate overnight.
  • Put a large roasting pan in the middle of the oven and preheat the oven to 375.
  • Let the rib roast stand at room temperature for 30 minutes.
  • Season the roast with salt and place it in the hot roasting pan, fat side down.
  • Roast for 30 minutes.
  • Turn the roast over and roast at 350 for about 3 hours, rotating the pan 2 or 3 times.
  • The roast is done when an instant-read thermometer inserted in the thickest part of the meat registers 130 for medium-rare.
  • Transfer the roast to a carving board to rest for about 20 minutes.
  • Meanwhile, in a bowl, stir the yogurt with the horseradish, ginger, black pepper and sugar and season with salt.
  • Refrigerate the raita until 20 minutes before serving.
  • Carve the roast and serve with the raita.