Korean
Pat the pork belly slices dry and bring them to room temperature for 10 minutes.
Stir the sesame oil, salt and pepper for the dip together and divide among small dishes.
Heat a grill pan or tabletop grill over medium-high heat until very hot, then lay the slices on it in a single layer, without oil.
Grill for 4-5 minutes per side, pouring off the rendered fat, until both sides are golden brown and crisp at the edges; grill the garlic slices in the fat alongside.
Sprinkle the pork with the coarse salt and black pepper and cut it into bite-size pieces with scissors.
Serve at once with the sesame oil dip, grilled garlic, lettuce and perilla leaves and ssamjang for wrapping.