Cheongdam Sikdang is a Korean restaurant in Seongnam that serves donkatsu, janchi guksu, bibim guksu, and kongguksu. The donkatsu is tasty, the bibim guksu is spicy, and the kongguksu contains pine nuts. Noodle broth can be had in a cup, and customers collect their own food. Both ordering and picking up food are self-service, so there is no table service.