Korean Dumpling Soup (Mandu-guk) with Savory Broth

Korean dumpling soup, or mandu-guk, is a comforting Korean soup of mandu dumplings simmered in a clear, savory broth and finished with egg, scallions, and seaweed. This version builds a light broth with dried anchovies and kelp, then adds frozen pork dumplings for a practical weeknight meal; families and regions have their own variations.

Ingredients

8 cups (1.9 L) cold water
12 large dried anchovies, heads and guts removed if present (about 18 g); use small dried anchovies if that is what you can find
1 piece dried kelp, also called dashima or kombu, about 4 inches (10 cm) square (8 g)
16 frozen pork mandu (about 1½ lb / 680 g), preferably uncooked; check the package directions for cooking time
2 large eggs (about 100 g), lightly beaten
2 scallions (about 30 g), thinly sliced, with white and green parts separated
2 cloves garlic (about 6 g), finely minced
1 tablespoon (15 ml) Korean soup soy sauce, or guk-ganjang
1 teaspoon (5 ml) regular soy sauce
½ teaspoon fine salt (about 3 g), plus more to taste
⅛ teaspoon ground black pepper (about 0.3 g)
1 sheet roasted gim or nori (about 2 g), cut into thin strips
1 teaspoon toasted sesame oil (5 ml)
1 teaspoon toasted sesame seeds (3 g), for serving

Instructions

Prepare the ingredients. Remove any heads or dark, bitter-looking guts from the dried anchovies, if needed. Give them a quick rinse and drain well. Slice the scallions, mince the garlic, beat the eggs, and cut the roasted seaweed into strips. Keep the dumplings frozen until you are ready to add them so they do not soften or stick together.
Make the anchovy-kelp broth. Add the cold water, dried anchovies, and kelp to a medium-large pot. Set it over medium-high heat and bring it nearly to a boil, which should take about 10 minutes. As soon as small bubbles gather at the edge of the pot, lift out the kelp; boiling it for a long time can make the broth slippery or bitter. Lower the heat and simmer the anchovies gently for 10 minutes.
Strain and season. Pour the broth through a fine-mesh strainer into a heatproof bowl, then return the clear broth to the pot. Discard the anchovies and kelp. Stir in the minced garlic, soup soy sauce, regular soy sauce, salt, and pepper. Bring the broth back to a steady simmer and taste it. It should be savory but not overly salty, since dumpling wrappers and fillings may already be seasoned.
Cook the dumplings. Carefully add the frozen mandu one at a time, stirring gently once so they do not settle and stick to the bottom. Keep the soup at a gentle simmer rather than a hard boil, which can split the wrappers. Cook for about 8–10 minutes, or for the time on the package, turning the dumplings gently if needed. Check a dumpling in the center of the pot with a food thermometer: USDA FSIS safe minimum temperatures are 160°F (71°C) for ground pork filling and 165°F (74°C) if the filling contains poultry. If the package indicates a longer cooking time, follow it and confirm the filling is safely cooked.
Add the egg. Slowly drizzle the beaten eggs into the simmering soup in a thin stream. Let the egg set for about 30 seconds before gently stirring to form soft ribbons. Continue cooking for another 30–60 seconds; check that the egg mixture reaches 160°F (71°C), the USDA FSIS safe minimum for egg dishes. Avoid vigorous stirring, which breaks the ribbons into small bits.
Finish and serve. Stir in the white parts of the scallions and the sesame oil. Ladle the soup into four bowls and top each with scallion greens, strips of gim, and sesame seeds. Serve promptly while the dumpling wrappers are tender and the broth is hot.

Tips

Keep the broth at a gentle simmer. A rolling boil can tear dumpling wrappers, particularly once they soften. Stir carefully around the dumplings rather than scraping hard across the base of the pot.
Choose the right soy sauce. Korean soup soy sauce is lighter in color and saltier than many regular soy sauces, so it seasons broth without making it dark. If you cannot find it, use regular soy sauce in its place and add it gradually; the broth will be darker and may need less added salt.
Adjust the stock ingredients if necessary. Dried anchovies and dashima give the broth a clean, distinctly Korean savory flavor. For an easier-to-find option, use 8 cups (1.9 L) low-sodium chicken broth or vegetable broth instead. It will taste different and may be saltier, so reduce the soy sauce and salt at first, then taste.
Use frozen dumplings straight from the freezer. Thawed dumplings can become sticky and are more likely to break when stirred. If your dumplings are especially large or the package calls for more time, cook them longer and check the filling temperature rather than relying on the clock alone.

Serving Suggestions

Serve mandu-guk as a complete, warming meal in wide bowls so each person gets several dumplings and plenty of broth. A small bowl of steamed rice is a useful addition for anyone who wants a heartier serving, though the dumplings and egg make the soup satisfying on their own. Put extra scallion greens, gim strips, sesame seeds, and black pepper on the table so diners can season their bowls to taste.

For a Korean-style meal with a few contrasting sides, serve the soup with kimchi, seasoned spinach, or lightly dressed cucumber. Keep especially salty or spicy sides in small portions so they do not overwhelm the delicate broth. If serving children or anyone who prefers mild flavors, offer chili flakes or a dab of gochujang separately rather than stirring heat into the shared pot.

Variations

Use a different mandu filling: Kimchi mandu add tang and gentle heat, while vegetable mandu make the soup meat-free if the filling and wrapper contain no animal products. Follow the package cooking directions and check meat-containing fillings to the appropriate safe temperature. Dumpling sizes and fillings vary, so the cooking time can differ from the one listed here.

Add rice cakes: For a soup often called tteok-mandu-guk, add about 2 cups (300 g) sliced Korean rice cakes. If using refrigerated rice cakes, rinse them and add them to the seasoned broth shortly before the dumplings; cook until soft and chewy, following package directions. Frozen rice cakes may need soaking or a little extra cooking time, so check their package instructions and avoid crowding the pot.

Make the broth vegetarian: Skip the anchovies and kelp, and use a mild vegetable broth or make a kelp-and-dried-shiitake stock. Simmer 1 piece of kelp and 2 dried shiitake mushrooms in the 8 cups (1.9 L) water, then remove them before seasoning. Use vegetable mandu and check the labels on the wrappers and seasonings; this version is earthier and less seafood-savory.

Make it richer: Replace the anchovy stock with a homemade or purchased beef broth, then taste before adding salt because prepared broths can be well seasoned. For an egg-free bowl, simply omit the egg and add a little extra scallion and seaweed. A few drops of sesame oil at the end bring aroma without making the broth heavy.

Storage and Reheating

For the best texture, store leftover broth and dumplings separately if you can. The dumplings will continue to absorb liquid as they sit, and their wrappers soften in the broth. Transfer leftovers to shallow, covered containers and refrigerate within 2 hours of cooking. The soup keeps for 3–4 days in the refrigerator; use clean utensils when portioning it.

Reheat only the portion you plan to eat in a saucepan over medium heat, stirring gently until the soup is steaming throughout and reaches 165°F (74°C), the USDA FSIS safe temperature for leftovers. If the broth has thickened, add a splash of water. Avoid boiling it hard, since that can break the dumplings. A microwave also works: cover loosely, heat in short intervals, stir carefully between intervals, and confirm the center reaches 165°F (74°C).

You can freeze the broth separately for up to 2–3 months for best quality. Cooked dumplings can also be frozen, but their wrappers may turn soft or split after thawing and reheating. Thaw frozen broth in the refrigerator, bring it to a simmer, add fresh frozen dumplings, and cook them according to their package directions for a bowl with a better texture.

Frequently Asked Questions

Can I use frozen dumplings without thawing them?

Yes. Add them directly from the freezer to the gently simmering broth. Thawing can make the wrappers tacky, while adding them frozen helps them hold their shape. Cook according to the package directions and check the center of a meat-filled dumpling with a thermometer to confirm it reaches the safe temperature for its filling.

What is the difference between mandu-guk and tteok-mandu-guk?

Mandu-guk is soup centered on Korean dumplings. Tteok-mandu-guk includes both mandu and sliced rice cakes, called tteok. The rice cakes make the bowl more substantial and add a pleasantly chewy texture; they are optional rather than necessary for this recipe.

Can I make the broth ahead of time?

Yes. Prepare and strain the anchovy-kelp broth, then refrigerate it in a covered container within 2 hours. It will keep for 3–4 days. When ready to eat, bring the broth to a simmer, season it, and cook the dumplings and egg just before serving so the wrappers stay intact.

Why did my dumplings split?

Common causes include a vigorous boil, stirring too forcefully, overcrowding, or cooking longer than the wrappers can tolerate. Keep the broth at a gentle simmer, lower dumplings in carefully, and follow the package timing as a guide. A few dumplings may still split if their wrappers were cracked or stuck together before cooking.

Can I make this soup without anchovies or kelp?

Yes. Use low-sodium chicken or vegetable broth, or make a simple stock with dried shiitake mushrooms and kelp. The flavor will not be exactly the same as the anchovy-based broth, but it will still make a good soup. Taste before adding salt or soy sauce, especially when starting with prepared broth.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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