Slice the pork belly into ¼ inch slices, then marinate for 2-48 hours, cover, and set aside on a plate.
Cook the pork belly by heating the grill pan with a small amount of toasted sesame oil for added flavour. Cover the bottom of the pan with pork belly slices or cut smaller into bite-sized pieces. Cook while turning and frequently moving to avoid sticking until both sides are crispy.
Remove cooked pork belly pieces and set them aside on a plate. Serve the samgyeopsal on lettuce as wraps with dipping sauce, other vegetables, and banchan.
