Korean Spicy Blue Crab Soup
Quick answer
Ggotge-tang is a spicy Korean crab soup built around whole blue crabs that infuse the broth with a concentrated, briny seafood depth.
What makes this special
- Ggotge-tang simmers whole blue crabs to infuse a spicy broth with concentrated shellfish richness.
- Blue crab shells release a deep shellfish umami that defines the broth
- Dissolved roe from female crabs intensifies the broth's flavor concentration
Key ingredients
Core cooking flow
- 1 Scrub 900 g blue crabs under cold water with a brush, then lift off the top...
- 2 Put 1400 ml water and 250 g Korean radish in a pot and simmer over medium heat for about 8 minutes.
- 3 Dissolve 1 tbsp doenjang through a strainer so it disperses without lumps, t...
Ggotge-tang is a spicy Korean crab soup built around whole blue crabs that infuse the broth with a concentrated, briny seafood depth. The shells release their marine richness as they crack apart during simmering, forming the structural foundation of the pot. Doenjang dissolved into the broth adds fermented complexity, while gochugaru delivers a persistent heat that compounds with each spoonful. Radish chunks sweeten and clarify the liquid, and zucchini with green onion fill the bowl with color and contrasting texture. Before cooking, the crabs should be scrubbed clean under cold water and cleaned of their sand pouches and gills, which eliminates any off-flavors. Scoring the claws lightly with the back of a knife before the pot goes on the heat makes extracting the claw meat easier at the table. Female crabs in season carry bright orange roe inside the top shell that dissolves into the broth and intensifies its richness. The real reward at the end of the meal is mixing leftover rice directly into the crab's top shell with the residual roe and braising juices, a practice Korean diners regard as the true finish of the meal. Blue crab season peaks in spring and autumn.
Instructions
Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.
- 1Prep
Scrub 900 g blue crabs under cold water with a brush, then lift off the top shells and remove the sand pouches and gills.
Cut the bodies in half and lightly crack the claws with the back of a knife for easier eating.
- 2Control
Put 1400 ml water and 250 g Korean radish in a pot and simmer over medium heat for about 8 minutes.
Continue until the radish edges look semi-translucent and the broth starts tasting lightly sweet.
- 3Control
Dissolve 1 tbsp doenjang through a strainer so it disperses without lumps, then add 2 tbsp Korean chili flakes and 1.5 tbsp minced garlic. Simmer over medium heat for 3 minutes until the broth turns red and smells savory.
- 4Control
Add the cleaned crabs right away and keep the pot at a steady medium simmer for about 10 minutes.
When the shells turn bright red, skim off the rising foam carefully to keep the broth clean and reduce fishy notes.
- 5Control
Add 120 g onion, 120 g zucchini, and 2 hot green chilies, then simmer for 6 more minutes.
Stop before the zucchini collapses. It should look slightly translucent but still hold its shape.
- 6Control
Season with 1 tbsp soup soy sauce, add 60 g green onion, and simmer only 2 more minutes.
If the broth tastes thin, add a little more radish and simmer 5 extra minutes before serving.
After the steps
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Korean Spring Blue Crab Stew
Kkotgetang is a classic Korean spicy crab stew made with 600g of whole blue crab simmered until the shells release their full flavor into the broth. Gochugaru and a touch of doenjang season the liquid with heat and fermented depth, while radish and zucchini turn sweet as they absorb the crab-infused stock. Two Cheongyang chilies push the spice level higher, and green onion adds a fresh finish. Picking the crab meat from the shell while sipping the hot, briny broth is half the enjoyment. Spring blue crabs are prized for their fuller flesh, making that the ideal season to prepare this dish.
Korean Spicy Blue Crab Seafood Stew
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Korean Freshwater Crab Spicy Soup
Freshwater crabs are halved, thoroughly cleaned, and simmered in a stock built from radish and doenjang that draws out their intense, briny umami over forty minutes of steady cooking. Gochugaru and cheongyang chili build up layers of fiery heat, while zucchini and radish contribute natural sweetness that tempers the spice. Pressing the soybean paste through a strainer before adding it keeps the broth smooth and clear rather than grainy, and the result is a bold, aromatic stew deeply rooted in Korean regional tradition.
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Korean Doenjang Kkotge Tang
Kkotge tang doenjang is a Korean blue crab stew that uses a full 800g of crab simmered in a doenjang-forward broth, where fermented soybean paste and the crab's natural essence are the two dominant flavors. As the shells cook, they release a deeply savory stock, and radish, zucchini, and onion simmer in that liquid and add layers of sweetness and body. Unlike the more common spicy gochujang-based crab stews, this version leads with doenjang's earthy depth and fermented complexity. Gochugaru and Cheongyang chili provide a secondary heat that balances the richness without taking over. Adding tofu keeps the texture varied and lightens the heaviness of the broth slightly. The crabs turn a vivid orange as they cook, a reliable visual cue that the meat is ready to pull cleanly from the shell. The fermented character of the doenjang suppresses any fishy edge from the crab, making the stew approachable even for those who do not normally gravitate toward shellfish. Served with rice to soak up the broth, it makes a satisfying complete meal.
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