Ingredients

  • 1 small cucumber, seeds removed, cut into thin matchsticks (about 1 cup, see note)
  • 1 small carrot, peeled, cut into thin matchsticks (about 1 cup, see note)
  • Kosher salt and freshly ground black pepper
  • 1 tablespoon sugar
  • 2 tablespoons rice wine vinegar
  • 18 ounces freshly ground chuck
  • 1 recipe
  • , or 1/2 cup store-bought bulgogi sauce
  • 4 slices American cheese
  • 4 burger buns
  • 1/2 cup chopped kimchi
  • 1/4 cup thinly sliced scallions

Method

  • Combine cucumber, carrot, 1 teaspoon salt, sugar, and vinegar in a medium bowl and toss to combine. Set aside.
  • Divide meat into four even piles and shape into burger patties about 1/2-inch wider than burger buns. Season generously with salt and pepper and set aside.
  • When all the charcoal is lit and covered with gray ash, pour out and spread the coals evenly over half of coal grate. Alternatively, set half the burners of a gas grill to high heat. Set cooking grate in place, cover grill and allow to preheat for 5 minutes.
  • and
  • the grilling grate.
  • Place burgers directly over hot side of grill and cook until well charred, about 2 minutes. Flip patties and brush with sauce. Cook on second side until well charred, about 2 minutes longer, brushing with sauce occasionally. Flip burgers again, transfer to cooler side of grill, brush with more syrup, and continue to cook, brushing with sauce occasionally, until patty registers 125°F to 130°F on an instant read thermometer for medium rare, about 5 minutes total, or 135°F to 140°F for medium, about 6 minutes total. Top each burger patty with 1 slice cheese, then transfer to a large plate and tent with aluminum foil.
  • Toast buns directly over hot side of grill until browned, about 30 seconds.
  • Place bottom buns on a cutting board and top with burger patties. Top each burger with chopped kimchi, pickled carrots/cucumber, and scallions. Drizzle with more sauce. Close sandwiches and serve.