Ingredients

  • 1 gallon water
  • 1 onion, thinly sliced
  • 1 head of garlic, halved crosswise
  • 3 rosemary sprigs
  • 3 tablespoons kosher salt
  • 1/2 cup coriander seeds
  • 2 tablespoons white peppercorns
  • 2 tablespoons fennel seeds
  • One 5-pound pork belly
  • 2 pounds rhubarb, juiced (2 1/4 cups)
  • 1/2 cup pure maple syrup
  • 1/4 cup Asian fish sauce
  • 1 tablespoon chile powder

Method

  • Brine the pork belly In a large pot, combine all of the ingredients except the pork belly and simmer, partially covered, over low heat for 30 minutes.
  • Let cool to room temperature.
  • Add the pork to the brine and leave at room temperature for 1 hour, then cover and refrigerate for 24 hours.
  • Bring to room temperature for 1 hour before cooking.
  • Make the glaze In a small saucepan, cook the rhubarb juice over moderate heat until reduced to 1 cup, 8 to 10 minutes.
  • Add the maple syrup and cook until slightly thickened, 5 minutes.
  • Stir in the fish sauce and chile powder; let cool.
  • Light a grill and set it up for indirect cooking.
  • Remove the pork belly from the brine and score the skin in a crosshatch pattern.
  • Set the pork on the grill, fat side up, opposite the heat source.
  • Cover and grill at 325 for 2 1/2 to 3 hours, until very tender; brush with the glaze during the last 45 minutes of grilling.
  • Transfer the pork to a cutting board and let rest for 15 minutes.
  • Thinly slice and serve.