Korean Soft Tofu Noodle Soup
Quick answer
Sundubu guksu is a Korean noodle soup made by simmering silken tofu in anchovy-based broth with knife-cut wheat noodles.
What makes this special
- Sundubu guksu blends silken tofu into anchovy broth to create a creamy, thick soup base.
- Soft tofu dissolves into anchovy broth creating creaminess without dairy
- Spooned in large pieces and heated 1 minute, tofu holds shape while softening
Key ingredients
Core cooking flow
- 1 Slice 80 g zucchini into thin half-moons and cut 20 g green onion finely.
- 2 Pour 900 ml anchovy stock into a pot and bring it to a boil over high heat.
- 3 Lower the seasoned stock to medium heat and simmer for about 1 minute to soften the raw garlic aroma.
Sundubu guksu is a Korean noodle soup made by simmering silken tofu in anchovy-based broth with knife-cut wheat noodles. As the soft tofu breaks apart during cooking, it naturally thickens the broth into a creamy consistency without any dairy. The combination of anchovy umami and mild tofu keeps the flavor clean yet full. Total cooking time is around 25 minutes, and the recipe requires minimal seasoning. It is one of the simpler Korean noodle soups to prepare at home.
Instructions
Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.
- 1Heat
Slice 80 g zucchini into thin half-moons and cut 20 g green onion finely.
Loosen the 180 g knife-cut noodles by hand so they separate quickly in the broth and do not clump during cooking.
- 2Control
Pour 900 ml anchovy stock into a pot and bring it to a boil over high heat.
Once it bubbles steadily, add 1.5 tablespoons soup soy sauce, 0.5 tablespoon minced garlic, and 0.5 teaspoon salt.
- 3Control
Lower the seasoned stock to medium heat and simmer for about 1 minute to soften the raw garlic aroma.
Skim off excess foam if it gathers, keeping the broth clean before the vegetables go in.
- 4Heat
Add the zucchini and cook for 2 minutes, just until the edges turn slightly translucent.
Move to the next step while the color is still bright, because overcooking will make the slices limp.
- 5Control
Scatter in the knife-cut noodles and cook over medium-high heat for 5 to 7 minutes.
Stir during the first minute so the noodles do not stick to the pot, and check that the center is tender.
- 6Finish
Spoon in the 200 g silken tofu in large pieces and warm it over low heat for only 1 minute.
Finish with green onion and 0.5 teaspoon sesame oil, then serve immediately while the aroma is fresh.
After the steps
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Korean Soft Tofu Soup (Mild Clear Broth with Silken Tofu)
Sundubu-guk is the gentler sibling of the more widely known sundubu-jjigae, trading the latter's fiery red broth for a clear, mild soup that puts silken tofu front and center. The base is a simple anchovy and kelp stock, seasoned with soup soy sauce and nothing more assertive, so the broth stays transparent and clean on the palate. Blocks of unpressed soft tofu are slipped into the simmering liquid and heated just until they are warmed through - overcooked sundubu loses the trembling, custard-like texture that defines the dish. Each spoonful collapses gently on the tongue, releasing a faint, sweet soybean flavor that pairs effortlessly with the umami-rich stock. A small addition of salted shrimp paste can be stirred in at the table to introduce a subtle marine depth without disrupting the soup's calm character. This is the soup Koreans turn to when appetite is low, digestion needs rest, or the body simply craves something warm and uncomplicated. It is equally suitable for young children and elderly diners, and its quiet simplicity is precisely its strength.
Korean Soft Tofu Stew (Silken Tofu in Spicy Clam Broth)
Sundubu-jjigae is one of Korea's most recognizable stews, built around silken soft tofu simmered in a fiery broth with clams, ground pork, and gochugaru. The process starts by frying sesame oil, chili flakes, and garlic together until the fat turns red and fragrant, which becomes the flavor foundation of the entire pot. Stock is poured in and brought to a hard boil, then two eggs are cracked directly onto the surface of the stew and left to set into a soft, barely-cooked yolk. Clams bring a clean oceanic salinity to the broth while the pork provides a meatier, rounder depth, and the two work together to create a layered complexity that neither delivers alone. The stew is served still boiling in an earthenware pot because the clay retains heat far longer than metal, keeping every spoonful scalding from first to last. A scoop of rice stirred into the leftover broth absorbs the spicy, savory liquid completely.
Korean Seasoned Gamtae Seaweed
Gamtae is a green seaweed harvested only in winter from Korea's southern coast, particularly around Wando and Jangheung. It is thinner and more delicate than roasted gim, and its oceanic fragrance is sharper and more pronounced. For this banchan, dried gamtae sheets are torn by hand into large pieces and tossed with a dressing of soy sauce, vinegar, sesame oil, gochugaru, sugar, and minced garlic. Speed matters more than technique here. Once the dressing makes contact with the seaweed, it begins drawing out moisture immediately. Past twenty seconds of mixing, the fronds absorb liquid, lose their texture, and collapse into a sodden tangle. The dressing should be added and the whole thing tossed in one quick motion before serving. Vinegar does important work in this dish: its acidity counters the seaweed's natural brininess and leaves the palate clean between bites. Fresh gamtae is a strictly seasonal product, available only through winter markets in the Jeolla and Gyeongnam regions. Dried gamtae, however, keeps well and is available year-round, making this a quick, reliable side dish that pairs particularly well with plain steamed rice.
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