Gamja tang — pork spine and potato soup — is one of the great Korean long-simmered soups: a preparation where the collagen-rich pork spine bones are simmered for hours until the gelatine has enriched the broth, the meat is falling from the bone, and the doenjang-gochugaru seasoning has integrated completely. It is the Korean equivalent of French pot-au-feu or Vietnamese pho in its commitment to extracting maximum depth from bones over time.
Pork spine bones blanched, then simmered for 2–3 hours with doenjang, gochugaru, garlic, and aromatics. Potatoes added in the final 30 minutes. The result is a deeply rich, spicy, gelatinous broth with fall-from-the-bone meat.
Gamja tang is sustaining rather than refined — it is the soup that feeds through cold, exhaustion, and hunger. Its depth comes from patience: the hours of simmering that transform water and bones into something that coats the inside of a bowl. The spice is heat-forward rather than aromatic, warming the body as much as the liquid does.
- Blanch the bones in boiling water for 5–10 minutes and rinse thoroughly — removes blood proteins that produce foam and off-flavours in the long simmer [VERIFY time] - The doenjang must be simmered long enough to mellow — at least 90 minutes of cooking. Raw-tasting doenjang is the marker of an underdone gamja tang - Add potatoes only in the final 30–40 minutes — they disintegrate with longer cooking and cannot be rescued [VERIFY time] - The perilla seeds (들깨, deulkkae) added at the end are essential — they provide a nutty, slightly fatty depth that rounds the spice [VERIFY — some versions use perilla leaf, some use seeds]
MAANGCHI KOREAN COOKING — Second Batch KR-26 through KR-40