Korean Fish Soup (White Fish and Radish Clear Broth)
Quick answer
Saengseon-guk is a traditional Korean fish soup made with white-fleshed fish and radish in a clear broth.
What makes this special
- Saengseon-guk develops a sweet, transparent base from white fish and simmered radish.
- Radish cooked first to build sweet base before fish goes in
- White fish added late to keep flesh intact and flaky
Key ingredients
Core cooking flow
- 1 Slice 200 g daikon into thin flat pieces and mince 3 garlic cloves.
- 2 Put 1000 ml water and the sliced daikon in a pot and bring it to a boil over high heat.
- 3 When the daikon is halfway tender, add the minced garlic and 1 teaspoon soup soy sauce.
Saengseon-guk is a traditional Korean fish soup made with white-fleshed fish and radish in a clear broth. The radish simmers first, building a base of natural sweetness, before garlic and soup soy sauce are added for depth. The fish goes in once the radish is halfway cooked, and timing matters - it should cook only until the flesh turns opaque and begins to flake, as prolonged boiling would break it apart and cloud the broth. Tofu and sliced Korean chili peppers join near the end, adding soft texture and a mild kick. Green onion finishes the bowl with a fresh note. The result is a light, transparent soup where the fish's own clean, marine flavor does most of the work. It is the kind of straightforward home cooking that appears on Korean dinner tables throughout the year, requiring little more than fresh fish and basic pantry staples.
Instructions
Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.
- 1Prep
Slice 200 g daikon into thin flat pieces and mince 3 garlic cloves.
Cut the tofu and white fish into manageable pieces, then pat the fish dry so loose moisture does not cloud the broth.
- 2Control
Put 1000 ml water and the sliced daikon in a pot and bring it to a boil over high heat.
Once boiling, lower to medium heat and simmer about 8 minutes, until the daikon edges look slightly translucent.
- 3Control
When the daikon is halfway tender, add the minced garlic and 1 teaspoon soup soy sauce.
Skim off any foam, then simmer 2 more minutes so the broth tastes seasoned without turning dark or heavy.
- 4Heat
Add 400 g white fish and gently press the pieces under the broth with a ladle.
Keep the heat at medium and cook about 4 minutes, just until the flesh turns opaque and firms up.
- 5Control
Add 150 g tofu, sliced green onion, and sliced Korean chili.
Do not stir hard, since the fish can break; simmer about 3 minutes, until the tofu is heated through and the chili scent opens.
- 6Finish
Lower the heat and season with 0.5 teaspoon salt, tasting before adding more.
Serve as soon as the broth is clear and the fish flakes slightly, because longer boiling will break the pieces apart.
After the steps
Pick a recipe that fits this dish.
Continue with shared ingredients, meal pairings, or a similar method.
Recipes That Go Well With This
More Soups →Based on shared ingredients and meal pairing
Korean Spicy Fish Roe Stew
Altang is a Korean stew built around pollock roe - the egg sacs that are the defining ingredient, distinguishing this dish from the many other spicy Korean seafood stews. The dish originated in east coast fishing towns where fresh roe is available in large quantities during the winter spawning season and must be used quickly. Anchovy-kelp stock simmers first with radish to create a clean, sweet foundation before the roe and tofu are added. Once the roe goes into the broth, something visible happens: the egg sacs release their contents as they cook, turning the liquid cloudy and enriching it with marine oils that give the broth a noticeably heavier, more unctuous body. This transformation is specific to altang and is part of what makes it a different eating experience from other spicy Korean stews. Gochugaru and doenjang season the stew together - the chili bringing direct heat and the fermented paste adding depth - and together they neutralize the fishy edge that pollock roe would otherwise carry. Crown daisy, ssukgat, is added in the final moments. Its sharp, almost medicinal herbal fragrance is the correct counterpoint to the heavy, briny broth. In Korean drinking culture, altang occupies a specific role as a late-night restorative consumed at the end of a long evening. The image of a stone pot of altang arriving at the table still vigorously boiling, at two or three in the morning, is a recognizable part of Korean urban nightlife.
Kimchi Soegogi-guk (Fermented Kimchi Beef Soup)
Kimchi-soegogi-guk is a Korean soup that unites two powerhouse ingredients, well-fermented kimchi and beef, in a ruddy, aromatic broth. The beef is stir-fried in sesame oil first, building a savory foundation, then chopped kimchi joins the pan and cooks until its acidity mellows and merges with the rendered fat. Water is added, and as the pot simmers, the kimchi continues to break down, thickening the liquid and staining it a deep red. Soup soy sauce and garlic adjust the seasoning, while blocks of tofu absorb the surrounding flavors and provide a soft counterpoint to the chewy beef. The finished soup is hearty and warming, with the tangy complexity of aged kimchi meeting the clean savoriness of beef in every spoonful. It pairs inseparably with a bowl of steamed rice, which soaks up the broth and balances the heat.
Korean Napa Cabbage Doenjang Porridge
Baechu doenjang juk is a Korean porridge where soaked rice is first toasted in sesame oil before any liquid is added, building a nutty foundation that plain boiled rice cannot provide. The doenjang is dissolved and strained through a fine-mesh sieve directly into anchovy stock so the finished porridge stays smooth without chalky bits of fermented paste. Finely chopped napa cabbage and onion go in with the strained stock: the onion melts quietly into the broth as it cooks, contributing a background sweetness, while the cabbage softens until it nearly disappears into the porridge's texture. Stirring frequently over medium-low heat for at least twenty minutes is what allows the rice grains to break down evenly and merge with the liquid rather than sitting as distinct kernels in thin broth. Skipping the initial oil-toasting step and adding raw soaked rice directly causes the starch to release unevenly, producing a porridge that sticks to the bottom of the pot and tastes flat. A drop of sesame oil and a final seasoning with guk-ganjang complete the dish. The result is a bowl that feels gentle on the stomach while carrying the full fermented complexity and depth of doenjang - suitable as a light meal or a restorative dish during recovery.
Gul-guk (Clear Oyster Radish Soup)
Gul-guk is a clear Korean oyster soup built on the simplest possible base: water, radish, and fresh winter oysters. Radish goes in first and simmers long enough to give the broth a clean, cool sweetness before the oysters are added near the end to keep them plump and springy. Seasoning is deliberately restrained; soup soy sauce and minced garlic are sufficient because the oysters themselves deliver an intense, briny depth that needs no reinforcement. The marine aroma of the oysters and the refreshing quality of the radish combine to produce a broth that is light in appearance but full in flavor. A bowl spooned over hot rice makes a restorative breakfast or hangover remedy, and along Korea's southern coast this soup is one of the most common preparations during the winter oyster harvest.
Serve with this
Korean Potato Salad (Creamy Mashed Potato Ham Cucumber)
Korean potato salad arrived through Japan's yoshoku tradition but developed its own distinct identity in Korean home kitchens. Potatoes are boiled until tender and mashed while still hot, but not to a perfectly smooth consistency - leaving some lumps gives the salad a dual texture of creamy mashed potato and soft, intact chunks that hold together when eaten. Diced ham is pan-seared briefly to render out excess fat before being incorporated, preventing the finished salad from becoming greasy. Cucumber is salted and squeezed to remove water, which keeps the salad from turning watery as it sits. Boiled carrot is mixed in for color and a mild sweetness. The dressing is mayonnaise adjusted with sugar and salt, resulting in a distinctly sweet-creamy profile that is noticeably different from Western versions of the dish. Chilling the assembled salad for at least one hour before serving allows the seasoning to equalize throughout the mixture, improving the flavor considerably compared to eating it straight away. The salad is served as a banchan alongside rice, and it is also commonly spread inside sandwiches.
Korean Turnip Kimchi (Diced Gochugaru Water Fermented)
Sunmu kimchi is a brined kimchi made with diced turnips seasoned in chili flakes, fish sauce, garlic, and ginger juice, then submerged in water to ferment with its own liquid. Turnips have a naturally higher sweetness and denser flesh than Korean radish, so they stay firm and crunchy even after fermentation. Scallions woven through the batch add an aromatic layer that rounds out the spice. One day at room temperature followed by two days of refrigeration produces a cool, tangy brine that is refreshing to drink on its own. Adding turnip greens, if available, deepens both the color and the fragrance.
Korean Eggplant & Pork Pancake
Thick eggplant slices are topped with seasoned ground pork, coated in Korean pancake batter, dipped in beaten egg, and pan-fried until golden on both sides. As the eggplant absorbs oil over heat, it cooks through to a silky, yielding texture, and the pork filling stays juicy inside the batter crust. Minced garlic and onion season the pork mixture and mask any gaminess, while the egg coating forms a thin, evenly browned exterior. A soy-based dipping sauce sharpens the mild eggplant and savory pork into a balanced bite.
Similar recipes
Korean Perilla Radish Soup
Deulkkae mu-guk is a Korean radish and perilla seed soup that belongs firmly to the cool-weather calendar. Sliced daikon simmers in anchovy stock for ten minutes first, releasing its clean sweetness into the broth before anything else goes in. Perilla seed powder, stirred in toward the end, thickens the liquid noticeably - its heavier, earthier fat behaves differently from sesame and coats the palate in a way plain radish broth cannot. Garlic simmers alongside the radish to build the underlying savory base. The powder must go in just before the heat is cut; leave it in too long and the toasted fragrance dissolves into the broth and disappears.
Korean Oyster Seaweed Soup
Gul-miyeok-guk is a Korean seaweed soup with fresh oysters, traditionally served for postpartum recovery and birthday meals. The dish begins by sauteing rehydrated seaweed and oysters together in sesame oil, which coats every strand and shell in a nutty fragrance before water is added. As the soup simmers, the seaweed releases minerals and a subtle brininess that merges with the deep ocean flavor the oysters contribute. Soup soy sauce and minced garlic keep the seasoning clean and grounded without masking the seafood. Oysters reach their peak fat and sweetness between November and January, and using them during this season noticeably enriches the broth with a creamy, briny depth. The seaweed should be sauteed for no more than one or two minutes with the oysters to keep it tender rather than chewy before the water goes in.
Korean Clear Broth Tofu Stew
This clear Korean tofu stew is prepared by simmering tofu cubes, shiitake mushrooms, and zucchini in seasoned beef stock. The base relies on a rich beef broth, enhanced by the earthy umami of sliced shiitake mushrooms. Zucchini slices add a mild sweetness as they cook to a tender, translucent state. Seasoned simply with Korean soup soy sauce, salt, and minced garlic, the broth maintains a clean, savory taste without chili heat. To prevent the tofu from breaking, the cubes are gently settled into the pot and simmered over medium-low heat. Sliced green onions are added at the end of cooking to infuse a mild herbal note. Serving the stew hot after letting it rest briefly highlights the natural flavors of the ingredients. The tofu can be lightly pan-seared beforehand to add a nutty flavor and firmer texture.