Jung Ho-young's Cold Buckwheat Noodles

Refreshing cold buckwheat noodles topped with coarsely grated cucumber in a rich homemade broth made from kelp and bonito flakes, enhancing texture and cool freshness.

🙋 Recommended for

  • Those who want to master a deep, authentic Japanese-style buckwheat broth instead of store-bought soup bases
  • People seeking a clean, refreshing bowl of noodles that cools you down from the inside out during hot summer days
  • Anyone wanting to experience buckwheat noodles enhanced with grated cucumber for a refreshing texture and unique detoxifying touch

Ingredients needed 🛒1 servings

  • buckwheat noodles 1 serving
  • kelp 1 piece
  • bonito flakes 20g
  • cucumber 1/2
  • green onion 10g
  • wasabi to taste
  • seaweed powder to taste
  • soy sauce 50ml
  • cooking wine 50ml
  • sugar 40g
  • monosodium glutamate to taste

Recipe 🍳

  1. Place 1L of cold water and kelp in a pot, bring to a boil, then reduce heat to low and simmer gently. Remove the kelp once the water starts boiling.
  2. After removing the kelp, turn off the heat completely and add bonito flakes generously. Let steep to extract rich umami flavor without boiling.
  3. Once the bonito flakes have settled, strain through a fine sieve or cheesecloth to obtain clear, rich kelp broth.
  4. In a small pot, combine soy sauce, cooking wine, sugar, and a pinch of monosodium glutamate. Heat just until the sugar dissolves completely to make the seasoning sauce.
  5. Mix the prepared kelp broth with the seasoned sauce in a 4:1 ratio, then chill thoroughly in the refrigerator or an ice bath.
  6. Coarsely grate the cucumber while leaving a little moisture, and finely slice the green onion for garnish.
  7. Boil the buckwheat noodles in salted water for 5–6 minutes, then turn off the heat and cover the pot. Let sit for 4–5 minutes to fully cook the noodles through.
  8. Immediately rinse the cooked noodles under cold or ice water, agitating them vigorously to remove starchiness, then drain well.
  9. Place the noodles in a bowl, top with grated cucumber, sliced green onion, seaweed powder, and wasabi, then pour chilled broth over to serve.
  1. Steep kelp in cold water, then turn off heat and add bonito flakes to create a rich, savory broth.
  2. Mix the broth with a sauce made from soy sauce, cooking wine, and sugar in a 4:1 ratio, then chill thoroughly.
  3. Rinse boiled and rested buckwheat noodles under cold water, then assemble with grated cucumber, garnishes, and broth.

Cooking tips 💡

  • When making kelp broth, lower the heat as soon as the water begins to bubble vigorously to prevent slimy mucilage and maintain a clean flavor.
  • An important tip: never boil bonito flakes—doing so will result in bitter, unpleasant flavors. Always use residual heat to extract their aroma and taste.
  • Letting the boiled noodles rest covered after turning off the heat ensures they cook evenly throughout, while rinsing under cold water preserves their chewy, bouncy texture.

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