Seoul Guksi Chilk Naengmyeon Kalguksu is an old family-run restaurant in Seoul that serves kalguksu, sujebi, mandu, and naengmyeon. Kaljebi mixes kalguksu and sujebi, and it is eaten with clam broth and crisp geotjeori kimchi. Before the main dishes, a barley bibimbap is served, and mandu and bibimbap can be ordered separately as sides. During meal times, customers crowd in enough to form a line.