Old Flavor Myeongdong Kalguksu is a lunch restaurant near Gangnam Severance Hospital in Yeoksam-dong that serves kalguksu, mandu, and bibimbap. Each bowl of kalguksu comes with one large mandu, and the yangpun bibimbap is served with more vegetables than rice. The kimchi is made in-house each time, and bibim guksu and kongguksu are available only in summer. There is a line during lunch hours.