
Combine the mustard sauce and the salt in a small bowl. Mix well. Paste all sides of the pork belly with the mustard sauce mixture.
Place the meat onto the air fryer basket and cook at 180 C / 356 F for 15 minutes.
Wipe the oil in the air fryer pan with some kitchen paper. Flip the meat over and cook for another 15 mins.
Remove the pork belly from the air fryer. Slice them into bite sized pieces. Serve with lettuce, Korean BBQ dipping sauce (ssamjang), a bowl of rice and kimchi.