Marinade:
  * 1 pound fresh pork belly, cut in ½-inch pieces
  * 4 garlic cloves, minced
  * 1 tablespoon grated ginger 
  * 2 tablespoons soy sauce
  * 1 teaspoon toasted sesame oil
  * 1 teaspoon fish sauce

Soup:
  * 2 tablespoons unsalted butter
  * 1 medium onion, chopped

Then:
  * Add Marinade
  * 2 cups kimchi, aged if possible, squeezed dry and chopped
  * 3 tablespoons Korean red pepper paste (gochujang)
  * 1 tablespoon Korean red pepper flakes (gochugaru)
  * 1 cup kimchi juice
  * 8 cups water (for a richer soup, use chicken, pork or beef broth)

At the end: 8 ounces soft or silken tofu, cut in large cubes

Garnish:
  * 8 scallions or Korean chives, chopped, for garnish