It has a clear broth seasoned with salt, minced garlic, ginger juice, and chopped scallions.
During ancient times, the flathead grey mullet caught in Pyongyang, Chungsan, Anju, Kangso, Ryonggang, Chongju, Kasan, Sunchon, Cholsan and Uiju, which are now in North Korea, were famous for their flavor.
[1] The dish is served as a courtesy for important guests visiting Pyongyang and the question, "How was the flathead grey mullet soup?"
[2] Flathead grey mullet is mentioned in the Joseon era ichthyology book Jasaneobo (자산어보; 玆山魚譜) as a fish of exceptional taste and nutritional value.
[3] Flathead grey mullet is used in various dishes: grilled, steamed, in jjigae, with noodles, as jeon and hoe.