Cold cucumber soup side dish

Oi-naengguk 오이냉국

Are you looking for something refreshing, light, healthy, and cold cold cold? Yes, how about a cold cucumber side dish? In Korean it’s called oi-naengguk and it’s perfect for summer! The thin cucumber matchsticks soaked in icy cold, sweet, sour, salty, and garlicky brine will please your appetite. The cold temperature is a nice surprise and the crispy but soft texture of the cucumber is wonderful.

A great thing about this side dish is that you can make it in 5 minutes, and you don’t need to cook anything at all. Just cut the ingredients and mix.

Make this in the summer time, and I guarantee everyone will love it. My cookbook co-writer, Lauren, learned how to make this when she was recipe testing, and got a ton of stars from her family when she served it. They are all fans of oi-naengguk now, and when the book was done Lauren told me it’s one of her favorite Korean dishes. I was surprised!

I originally posted an oi-naengguk video years ago, but this one is a little updated and is a vegetarian version, and the video is HD. If you’re looking for the old one, it’s still here.

Ingredients (serves 4)

  • 1 large English cucumber (12 ounces) or 2 to 3 kirby cucumbers, chilled
  • 1 clove garlic, minced
  • 1 green onion, chopped
  • 1 tablespoon chopped fresh red chili pepper (optional)
  • 1½ teaspoons kosher salt
  • 1 teaspoon soy sauce
  • 2 teaspoons sugar
  • 4 teaspoons vinegar
  • 5-6 cherry tomatoes, sliced (optional)
  • 1 cup cold water
  • 7-8 ice cubes (1 cup)
  • 1- 2 tablespoons toasted sesame seeds, ground

Directions

  1. Cut the cucumber into 3 inch long thin matchsticks and put them into a chilled mixing bowl.cucumber-matchsticks
  2. Add garlic, green onion, and red chili pepper (if used).
  3. Add the salt, soy sauce, sugar, and vinegar. Mix well, gently with a spoon until the salt and sugar are well dissolved.oi-naengguk (cold cucumber soup : 오이냉국)oi-naengguk (cold cucumber soup : 오이냉국)
  4. Add the water,  ice cubes, and the sliced tomato (if you use), and gently mix with a spoon.oi-naengguk (cold cucumber soup : 오이냉국)
  5. Put the sesame seeds powder on top, scoop out 4 portions into individual bowls, and serve right away with rice.

oi-naengguk (cold cucumber soup : 오이냉국)

Cold cucumber soup

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76 Comments:

  1. Graidan Denver, CO joined 7/20 & has 1 comment

    We made a version of this tonight, because it’s so hot. We made a few changes… Added red radishes and some fish sauce! We also made it chunkier to be the main dish. Such a great recipe, and one of our favorite go to recipes. Thank you!


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  2. Primalwalk Colorado joined 5/20 & has 18 comments

    I used red beans for the kong guksu since I couldn’t find any soy beans – the cucumber salad (Korean gazpacho) is so amazing!!!!!


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  3. moocasa SoCal joined 8/16 & has 1 comment

    Thank you, Maangchi! I made this as a starter for a big dinner for my Korean in-laws on a very hot day. It was so simple with basic ingredients we had on hand—and it was a big hit! They were impressed that I have such a “sense for Korean food” even though I am American. They don’t know you are my secret weapon. Thanks again!!

  4. hcconnie joined 7/15 & has 1 comment

    When I was in Korea my aunt made this for me with seaweed. Do I just soak the seaweed in water before I add it to the cucumbers? It was one of my favorite things to eat since I visited in the summer but my mom doesn’t make it here in the US lol.

  5. ternity joined 7/15 & has 1 comment

    Maangchi, Thanks to you, i made some delicious cold cucumber soup today :D


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  6. Sharker Cyprus joined 8/14 & has 1 comment

    Hi Maangchi, you say that it is also possible to make this recipe using eggplant. Do you need to cook the eggplant or soak them in salty water or anything before following the cucumber recipe?

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