Lim Sung-geun's Kelp Cucumber Cold Soup

A refreshing cold soup with deep umami flavor from tuna sauce and blanched kelp, perfectly eliminating any fishy odor by briefly scalding the soaked kelp for just 10 seconds.

🙋 Recommended for

  • Those looking for a refreshing, tangy-sweet soup to stimulate appetite during summer
  • People hesitant to make cold soups due to the characteristic fishy smell of kelp

Ingredients needed 🛒3 servings

  • chopped dried kelp 5g (about 2 tablespoons)
  • cucumber 1 piece
  • a small amount of red chili pepper
  • a small amount of green chili pepper
  • water 3 cups (600ml)
  • ice 2 cups
  • tuna sauce 6 tablespoons
  • plum syrup 4 tablespoons
  • vinegar 4 tablespoons
  • crushed whole sesame seeds a small amount
  • red pepper powder a small amount

Recipe 🍳

  1. Soak 5g of dried kelp in water until fully softened.
  2. Wash the cucumber thoroughly and slice it thinly; chop the red and green chili peppers finely.
  3. In a bowl, mix 3 cups of water with 2 cups of ice.
  4. Add 6 tablespoons of tuna sauce, 4 tablespoons of plum syrup, and 4 tablespoons of vinegar to the chilled water and stir well to create the cold soup base.
  5. Blanch the soaked kelp in boiling water for exactly 10 seconds, then immediately rinse under cold water and squeeze out excess moisture.
  6. Add the sliced cucumber, chopped chili peppers, and blanched kelp to the prepared cold soup broth.
  7. For personal taste, crush whole sesame seeds by hand and sprinkle a little red pepper powder on top to finish.
  1. Soak the kelp and cut the cucumber and chili peppers into appropriate sizes.
  2. Mix tuna sauce, plum syrup, and vinegar into water and ice to make a refreshing broth.
  3. Blanch the soaked kelp in boiling water for 10 seconds, then rinse under cold water and squeeze dry.
  4. Add cucumber, chili peppers, and kelp to the prepared broth, then sprinkle crushed sesame seeds and red pepper powder to finish.

Cooking tips 💡

  • Do not use soaked kelp directly, as it may develop a fishy smell in cold soup; always blanch it in boiling water for 10 seconds and rinse under cold water before using.
  • Use clear, golden-hued tuna sauce rather than darker ones to keep the cold soup broth clear and clean.
  • Maintain a ratio of about 1.5 tablespoons of tuna sauce per cup of water to ensure the seasoning remains balanced even as ice melts.
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