Yangpyeong Hanwoo Seonji Haejangguk is a long-running Korean restaurant in Seoul serving yangseonji haejangguk and doganitang. Its menu focuses on hangover dishes, with yangseonji haejangguk as the main offering. The restaurant is open 24 hours, including late at night. The interior has a stronger old-restaurant atmosphere than a clean, polished feel, and portions are on the small side.