Sonkeun Halmae Sundaeguk Ssangmunjeom is a Korean restaurant in Seoul serving sundae-guk, other gukbap dishes, and samgyeopsal (pork belly). The sundae-guk is served without an unpleasant smell and with a clean taste. The restaurant is open 24 hours, so it accepts customers late at night. The earthenware bowls are very hot, and the basic side dishes do not include Cheongyang chili peppers.