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Hoe-guksu (Raw Fish Cold Noodles)

Hoe-guksu (Raw Fish Cold Noodles)

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The Hamhung cold noodle with teeth: chewy starch noodles tossed fast with spicy vinegared skate, pear, cucumber, and mustard oil, carried south by families who could not go home.

Main Dishes
Korean
Comfort Food
Special Occasion
40 min
Active Time
5 min cook1 hr 15 min total
Yield2 servings

Hoe-guksu lives or dies by chew and sharpness. The noodles must fight back under the teeth, and the raw fish must be clean, cold, and cut thin enough to season all the way through. If either one is lazy, the bowl turns heavy.

My teacher made me rinse naengmyeon noodles until my fingers ached. I thought she was being severe. She was, but she was also right. Starch noodles keep a slippery coat unless you rub them under cold water, and that coat steals the sauce. Rinse until the noodles feel firm and squeaky, then drain them hard. That is the difference between a bowl that tosses cleanly and one that clumps like wet thread.

Traditionally this bowl belongs to Hamhung and the northern coast, where raw skate or flatfish met sweet-potato starch noodles and a fierce cho-gochujang (vinegared chili sauce). At home tonight, buy only fish you would eat raw without apology. If good skate is not in your market, use sashimi-grade fluke, halibut, or sea bream and write down what you used. Memory is a borrowed bowl.

Hoe-naengmyeon and hoe-guksu are closely tied to Hamhung in today's North Korea, where chewy starch noodles and spicy raw fish toppings developed alongside the region's cold noodle culture. After the Korean War, refugees from Hamhung and nearby northern coastal areas carried the dish south, especially into Seoul, Sokcho, and Busan, where skate or flatfish dressed in vinegar and chili became the defining topping. It is the sharper sibling of bibim-naengmyeon, with less broth and more chew, acid, and heat.

The technique, the tradition, and the story behind every dish.

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Ingredients

Hamhung-style naengmyeon noodles

Quantity

200g

sweet-potato or potato starch

sashimi-grade skate wing, fluke, halibut, or sea bream

Quantity

180g

skin removed

rice vinegar, for the fish

Quantity

1 tablespoon

fine sea salt, for the fish

Quantity

1/4 teaspoon

Korean cucumber or Persian cucumber

Quantity

1/2 Korean cucumber or 1 small Persian cucumber

julienned

fine sea salt, for salting the cucumber

Quantity

1/4 teaspoon

Korean pear or Asian pear

Quantity

1/2

peeled and cut into thin matchsticks

hard-boiled egg

Quantity

1

halved

gochugaru (Korean chili flakes)

Quantity

2 tablespoons

gochujang (Korean chili paste)

Quantity

1 1/2 tablespoons

rice vinegar

Quantity

2 tablespoons

maesil-cheong (green plum syrup)

Quantity

1 tablespoon

or 2 teaspoons sugar

soy sauce

Quantity

1 tablespoon

cold beef broth or water

Quantity

1 tablespoon

toasted sesame oil

Quantity

2 teaspoons

Korean mustard paste (yeongyeoja)

Quantity

1 teaspoon

plus more to serve

garlic

Quantity

1 small clove

finely grated

toasted sesame seeds

Quantity

1 teaspoon

plus more for serving

ginger

Quantity

1/2 teaspoon

grated

sugar (optional)

Quantity

1 teaspoon

cold dongchimi brine or cold beef broth (optional)

Quantity

2 tablespoons

for loosening the bowl

Equipment Needed

  • Large pot for boiling noodles
  • Colander
  • Two stainless steel serving bowls, chilled
  • Disposable food-safe gloves for tossing spicy noodles
  • Very sharp knife

Instructions

  1. 1

    Chill the bowls

    Put two stainless bowls in the freezer for at least 20 minutes. This is a cold noodle dish with very little broth, so the bowl itself has to help keep the noodles tight and lively.

  2. 2

    Cut the fish

    Keep the fish cold while you work. Slice it across the grain into pieces about 5 cm long, 1 cm wide, and 3 mm thick. Thin slices season quickly and stay tender; thick pieces taste raw in the wrong way, with sauce only on the outside.

    Use only fish sold for raw eating. If the market cannot give you that clearly, cook another noodle today. Technique first, but safety before technique.
  3. 3

    Lightly cure fish

    Toss the sliced fish with 1 tablespoon rice vinegar and 1/4 teaspoon salt. Cover and refrigerate 20 minutes while you make the sauce. This short cure firms the surface and gives the seasoning a clean place to hold. It does not make unsafe fish safe.

  4. 4

    Salt the cucumber

    Toss the julienned cucumber with 1/4 teaspoon salt and let it stand 10 minutes. Squeeze it gently, just until it stops dripping. Unsalted cucumber waters down the sauce, and hoe-guksu has no patience for watery dressing.

  5. 5

    Mix the sauce

    In a large mixing bowl, stir together the gochugaru, gochujang, 2 tablespoons rice vinegar, maesil-cheong, soy sauce, cold broth or water, sesame oil, mustard paste, garlic, sesame seeds, and ginger. Taste it before it touches the noodles. It should be sharp first, then spicy, then lightly sweet. Add the extra 1 teaspoon sugar only if the vinegar is biting without balance.

    Do not bury this bowl under gochujang. Gochugaru gives color and dry heat, while a smaller amount of paste gives body. That is why both are measured separately.
  6. 6

    Season the fish

    Drain off any liquid from the cured fish. Fold the fish through 2 tablespoons of the sauce and return it to the refrigerator while you cook the noodles. Seasoning the fish alone first lets it read as fish, not as a red garnish hiding in the noodles.

  7. 7

    Boil the noodles

    Bring a large pot of water to a hard boil. Shake loose the starch noodles and boil according to the package, usually 2 to 4 minutes. Stir constantly for the first minute so they do not knot together. These noodles overcook fast, and once they go soft they do not forgive you.

  8. 8

    Rinse them hard

    Drain the noodles and rinse under cold running water, rubbing them between both hands until they are cold, firm, and squeaky. This takes 1 to 2 minutes, not a polite splash. Drain hard, then squeeze lightly by handfuls so the sauce will cling instead of sliding off.

  9. 9

    Toss and loosen

    Add the cold noodles to the remaining sauce and toss with gloved hands until every strand is coated. If the noodles feel stiff, add 1 to 2 tablespoons cold dongchimi brine or cold beef broth, one spoon at a time. The bowl should look glossy, not soupy.

  10. 10

    Finish the bowls

    Divide the noodles between the chilled bowls. Top each with the seasoned fish, salted cucumber, pear matchsticks, half an egg, and a pinch of sesame seeds. Serve at once with more mustard and vinegar at the table, so each person can sharpen the bowl to their own mouth.

Chef Tips

  • Skate is traditional for many Hamhung-style hoe bowls, but it must be very fresh and suitable for raw eating. If your fishmonger hesitates, buy sashimi-grade fluke, halibut, or sea bream instead. 시대가 바뀌면 음식도 바뀌어야 해요. When times change, food must change too.
  • The safe shortcut is buying ready-made Hamhung naengmyeon noodles and good sashimi. The corner you cannot cut is the rinsing. Starch left on the noodles makes the sauce dull and gummy.
  • Use maesil-cheong if you have it. Its tart sweetness suits the vinegar better than plain sugar. If you use sugar, start with 2 teaspoons in the sauce and add only the last teaspoon after tasting.
  • Serve with cold dongchimi, oi-muchim (seasoned cucumber), or a small plate of kimchi. This bowl is fierce, so the side dishes should cool or clean the mouth, not compete.

Advance Preparation

  • The sauce can be mixed up to 2 days ahead and refrigerated. It tastes rounder after a night, but loosen it with 1 tablespoon cold broth or water before tossing if it thickens.
  • The cucumber and pear can be cut 2 hours ahead and kept cold, with the pear covered tightly so it does not brown. Slice and cure the fish only shortly before serving.
  • Do not boil the noodles ahead. Hamhung-style starch noodles lose their chew as they sit, and this dish depends on that chew.

Frequently Asked Questions

Nutrition Information

1 serving (about 530g)

Calories
635 calories
Total Fat
10 g
Saturated Fat
2 g
Trans Fat
0 g
Unsaturated Fat
8 g
Cholesterol
140 mg
Sodium
1600 mg
Total Carbohydrates
112 g
Dietary Fiber
5 g
Sugars
17 g
Protein
24 g

Note: Chef personas and recipes are created with AI assistance. Cook with care: follow safe food-handling practices, check doneness with a thermometer when needed, and adapt for allergies and your kitchen.

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