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La Caja China Pig Roast |

Matt’s La Caja China Pig Roast

  • Author: Mike Vrobel
  • Total Time: 51 hours 30 minutes
  • Yield: 38 servings 1x


Matt's La Caja China Pig Roast - cooking a 75 pound pig in a La Caja China roasting box.


  • 75 pound dressed pig (That is, cleaned and gutted. Will serve about 38 people.)
  • Small Apple (to shove in the mouth - the teeth are sharp. Note that we forgot this in the pictures…)
  • 3/4 cup kosher salt (about 1/2 teaspoon per pound)

Rub (My homemade rub, or use 0.75 cup store bought rub)

  • 4 tablespoons paprika
  • 4 tablespoons brown sugar
  • 2 tablespoons chili powder
  • 1 tablespoon ground black pepper
  • 2 teaspoons garlic powder
  • 2 teaspoons onion powder
  • 1 teaspoon dried thyme



  1. Dry brine the pig: 24 hours to 2 days before cooking, sprinkle the pig with the salt, concentrating most of it on the meat side - that is, a little on the skin side, more on the meat side. Store the pig in a large cooler, covered with bags of ice. (Don’t open the bags - Replace bags as they melt. We swapped in a couple of big bags of grocery store ice every 24 hours.)
  2. Season the pig and spread it out in the roasting rack: The day of cooking, remove the pig from the cooler, pat it dry with paper towels as best you can, then spread the pig out on top of one of the roasting racks, skin side down. Sprinkle the meat side of the pig with the rub. Make sure the pig is spread open - we want it spread out as much as possible to cook evenly - and set the other roasting rack on top of the pig. Connect the racks with the s-hooks, sandwiching the pig between the racks. Set the drip pan in the roasting box, and then put the pig in the box, on top of the drip pan, skin side down.
  3. Cook the pig for 3 hours: Close the box with the ash pan and charcoal grid tray. Pour an entire 16-pound bag of charcoal into 2 big piles on top of the charcoal tray. Light the charcoal - this is one time when it’s OK to use lighter fluid, because the pig is protected from the flavor of the fluid in the box. When the charcoal is covered with ash, spread it out into an even layer over the entire charcoal tray, and start the cooking timer. After 1 hour of cooking spread 8 pounds of unlit charcoal over the top of the box. After 2 hours of cooking, spread another 8 pounds of unlit charcoal over the top. After another 30 minutes (2.5 hours of cooking), spread another 8 pounds of unlit charcoal over the top, and cook for 30 minutes more.
  4. Crisp the skin for 30 minutes: After 3 hours of cooking, have two people wearing hand protection lift the charcoal grid tray and shake out the coals into the ash pan. Carefully set the charcoal grid on the handles of the roasting box. Lift the ash tray off of the box and dump the ashes into a fire-safe container. Lift the charcoal grid off of the handles, slide the ash tray underneath, and set them both back down on the handles for now. Flip the pig in the box so the pig is skin side up. Set the ash tray and coals back on top of the box, closing it once more. Cook the pig for 30 minutes to crisp the skin. At that point, check the pig - lift the edge of the lid of coals and peek at the skin. If the skin is browned and crispy (and maybe blackening a little at the edges), it is done. Otherwise, keep cooking, peeking every 10 minutes or so, until the skin is browned and crispy.
  5. Serve: Again, wearing hand protection, have 2 people remove the ash pan and coals to the handles of the box. Grab the pig and carry it to a table (we cover a table in aluminum foil and then a layer of kitchen towels). Remove the top grid and set it aside, then let the pig rest for 15 to 30 minutes. To serve, you can let your guests tear into the pig themselves (our usual approach), or start “picking the pig” and shredding the meat yourself. (Don’t forget pieces of the crackling skin - they’re the best part.)



  • Why "La Caja China" for a Cuban roasting box built in Miami? I...I don't know. The best guess is  "Chinese Box" sounded exotic in Cuba back in the day.
  • How big of a pig? Assume 2 pounds of dressed, uncooked pig per person. That means my brother’s 75 pound pig would serve about 38 people. This is “dressed weight”, meaning a cleaned and gutted pig. A “live weight” pig weighs about 25% more, so make sure you’re asking for dressed weight. (Or increase by 25% for a live weight pig, before they dress it - about 2½ pounds of live weight pig per person.) My brother’s roasting box will fit up to a 100 pound pig.
  • Don’t have time to dry brine? Skip that step, and sprinkle the pig with the salt and rub right before cooking. It will still taste pretty darned good.
  • Injection brine: Instead of dry brining, my brother will sometimes use an injection brine. (If you go this route, skip the dry brine salt from the recipe and make a double batch of rub - some for the injection brine, some for the pig.) The night before cooking, whisk this marinade until the salt dissolves, then inject it into the meat of the pig - aim for every 3 to 4 inches in the shoulder and legs, and inject in a couple of places between every rib:
    • 2 cups apple juice
    • 2 cups water
    • 3/4 cup rub (make extra)
    • 1 cup kosher salt
    • 0.5 cup Molasses
    • 0.5 cup apple cider vinegar

    Keep the pig overnight in the cooler, covered with ice, so the brine has time to absorb into the meat. Follow the cooking instructions as listed above, starting with the rub.


  • Prep Time: 2 days
  • Cook Time: 3 hours 30 minutes
  • Category: Sunday Dinner
  • Method: Roasting Box
  • Cuisine: American