Ogubanjeom is a Chinese restaurant near Suyu Station in Seoul that serves jjajangmyeon, jjamppong, and tangsuyuk. The samseon jjamppong has plenty of seafood and a rich, mild broth. The spacious, clean dining room has full-length windows, and diners take pickled radish and onion from a self-service bar. The tangsuyuk stays crisp even when the sauce is poured over it.