Opseoyesikdang is a Jeju local food restaurant in Jeju City that serves momguk, a thick pork and gulfweed soup, along with a gosari yukgaejang that has a porridge-like consistency and dombe-gogi, sliced boiled pork. The side dishes include lettuce and cabbage with a sweet-and-sour sauce, and the dining area is kept clean. The restaurant is visited for breakfast right after arriving at Jeju Airport. The rice served with the meal has at times been cold and hardened.