Yonggeumok's specialized stew includes tofu, fried tofu, spring onion, onion, oyster mushroom, tree ear mushroom, and other condiments added to broth boiled with lamb and its intestines overnight. Pre-cooked loaches are added in the end, creating a spicy yet savory flavor with chewy texture (loaches can be ground upon request). The restaurant serves Gyeongsang-do style, Jeolla-do style and Seoul-style chueo tang (loach stew).