Chilseong Otdak is a restaurant in Seongsu, Seoul, specializing in ot samgyetang and eomnamu samgyetang. It sits at the entrance of Ttukdo Market and serves chicken or duck baeksuk in a clear, savory broth. The meal comes with heukmi chalbap, gim, gochu yangnyeomjang, and jeotgal, and the heukmi chalbap is served separately from the soup at the start of the meal. The restaurant is closed on Sundays and its parking lot is small.