Hwanghakdong Gopchang Golmok in Seoul is a gopchang (grilled intestines) restaurant that stir-fries vegetable gopchang. The seasoning is strong and rustic, and both one- and three-person portions are generous. The dish includes thick glass noodles, and the gopchang smell is strong. The restaurant once operated 24 hours, but its hours were restricted during the COVID-19 period.