Changdong Jjamppong is a Chinese restaurant near Changdong Station in Seoul that serves jjamppong, jjajangmyeon, and tangsuyuk. Its signature dishes are a clear, refreshing seafood-based jjamppong, a samseon gochu ganjjajang with crisp onion, and a tangsuyuk with thick cuts of meat. Dishes are stir-fried to order and the broth is made in-house, and the restaurant does not deliver. It opens at 11:30 a.m., but there can be a wait at noon.