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  1. Home
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  3. Fiery Korean Cucumber Salad (Oi Muchim) in 10 Minutes
07 October 2025

Fiery Korean Cucumber Salad (Oi Muchim) in 10 Minutes

RecipeShare Test Kitchen

4.7(7 ratings)
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Fiery Korean Cucumber Salad (Oi Muchim) in 10 Minutes

This Fiery Korean Cucumber Salad (Oi Muchim) is a quick, crunchy, and spicy side dish tossed in gochugaru, sesame oil, and vinegar. A refreshing banchan ready in just 10 minutes!

Salads
Cookies And Bars
Quick And Easy
Easy
Spicy
Low Carb
Low Calorie
Low Sugar
Low Fat
Party Food
Prep time
10 mins
Cook time
0 mins
Total time
10 mins
Servings
4

Tools Used

Two Medium Bowls

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Ingredients

Ingredients

Servings
4 servings1×
Scale

Ingredient amounts update instantly.

Vegetables

Dressing

Instructions

Make the Salad

  1. 1

    Cut the cucumber into quarter-inch thick slices.

  2. 2

    Drain and thinly slice the soaked onion.

  3. 3

    Chop the green onions.

  4. 4

    In a bowl, mix all the dressing ingredients until well combined.

  5. 5

    In a separate bowl, combine the cucumber, onion, and green onions.

  6. 6

    Pour the dressing over the vegetables and gently toss until coated.

  7. 7

    Taste and adjust seasoning with salt if needed.

  8. 8

    Let sit a few minutes to let the flavors meld.

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Everything you want to know about this recipe.

A Taste of Korea: Spicy Cucumber Salad

A Taste of Korea: Spicy Cucumber Salad

Spicy Cucumber Salad, also known as Oi Muchim, is a popular Korean side dish that's perfect for the summer. This refreshing salad features a delightful combination of fresh cucumbers, onions, garlic chives, and a spicy, tangy dressing. In just a few simple steps, you'll have a flavorful, zesty side dish that pairs well with a variety of meals. So let's get cooking!

Ingredients

Ingredients

For the vegetables

  • 1 cucumber (approximately 300 grams)
  • 1 yellow onion (approximately 200 grams), soaked in cold water for 5 minutes
  • 1 bunch green onions (approximately 100 grams), chopped

For the Sauce

  • 1.5 tbsp gochugaru (Korean red pepper flakes)
  • 1 tbsp of sugar
  • 1.5 tbsp vinegar
  • 1 tbsp sesame oil
  • 1 tbsp sesame seeds
  • 1/2 tbsp minced garlic
  • 1/4 tsp salt, to taste
Instructions

Instructions

  1. Soak the copped onions in cold water.
  2. Cut the cucumber into quarter-inch thick slices.
  3. Chop the green onions into small pieces.
  4. In a bowl, mix all the sauce ingredients until well combined.
  5. In a separate bowl, combine cucumber, onion, and green onions.
  6. Pour the sauce over the vegetables and gently toss until well coated.
  7. Taste and adjust the seasoning with salt, if necessary.
  8. Let the salad sit for a few minutes to allow flavors to meld.
Serving Suggestions

Serving Suggestions

This delicious Korean Spicy Cucumber Salad pairs perfectly with grilled meats like Korean BBQ, or as a refreshing side dish for rice dishes and noodle bowls. Its tangy, spicy flavor also complements fish and tofu dishes.

Ingredient Substitutes

Ingredient Substitutes

If you can't find gochugaru (Korean red pepper flakes), you can substitute it with regular red pepper flakes or a mix of paprika and cayenne pepper for a similar spicy kick.

Nutrition Information (per serving)

Nutrition Information (per serving)

This recipe serves 4, with approximately 150 grams per serving.

  • Calories: 80
  • Fat: 4g
  • Carbohydrates: 10g
  • Protein: 2g
  • Sodium: 150mg
Tips and Tricks

Tips and Tricks

  • For a less spicy salad, reduce the amount of gochugaru or use a milder chili pepper.
  • Add a pinch of umami flavor with a dash of fish sauce or soy sauce.
  • Soaking the onions in cold water helps reduce their pungency and adds a mild, sweet taste.
FAQ

FAQ

How long does this Korean Spicy Cucumber Salad last in the fridge? This salad is best enjoyed fresh, but it can last up to 2 days in the refrigerator. Store in an airtight container to maintain freshness.

Can I make this salad ahead of time? Yes! In fact, letting the salad sit for a few hours in the fridge allows the flavors to meld and intensify.

Is this salad gluten-free? This recipe is gluten-free as written, but always double-check the ingredients to ensure they don't contain hidden gluten.

How do I adjust the spiciness of the salad? You can control the spiciness by adjusting the amount of gochugaru or substituting it with a milder chili pepper.

Nutrition Facts

Nutrition Facts

Serving Size: 150g

Calories 804%
% Reference Intake*
Total Fat 4g6%
Saturated Fat 0.5g3%
Trans Fat 0g
Cholesterol 0mg
Sodium 150mg
Total Carbohydrates 10g4%
Dietary Fiber 1g
Sugars 3g3%
Protein 2g4%

* Reference intakes are based on an average adult's 8,400 kJ / 2,000 kcal diet. Your needs may be higher or lower.

FAQs

Can I make Oi Muchim ahead of time?

Yes, but it’s best enjoyed within a few hours for maximum crunch. If making ahead, keep the dressing separate and mix before serving.

What type of cucumber works best for Korean cucumber salad?

Korean cucumbers or Persian cucumbers are ideal for their crisp texture and thin skin, but English cucumbers also work well.

Is Korean cucumber salad vegan?

Yes, this recipe is naturally vegan and dairy-free—just ensure your gochugaru is pure chili flakes without added shrimp powder.

How spicy is Oi Muchim?

It’s moderately spicy from the gochugaru, but you can adjust the heat by reducing or increasing the chili flakes to taste.

Community Reviews

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4.7

7 ratings

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  • Miguel R.

    · 14 Jul 2025

    Refreshing and flavorful! I’ll double the batch next time because it disappears so fast.

  • Aiko T.

    · 11 Mar 2025

    I used rice vinegar and a pinch of honey instead of sugar—deliciously bright and tangy!

  • Peter Y.

    · 9 Jul 2024

    Loved how fast this came together. I served it alongside grilled bulgogi and it balanced the flavors perfectly!

  • Helena M.

    · 7 May 2024

    Great summer salad. Next time I’ll reduce the gochugaru slightly—was a bit spicy for my kids!

  • Jin Soo

    · 6 Feb 2024

    Reminds me of my mom’s Oi Muchim. Simple and authentic. I did use Korean cucumber for extra crunch.

  • Marcus K.

    · 4 Dec 2023

    Made this for a BBQ side—super refreshing and everyone loved it. I added a touch more vinegar for extra tang.

  • Sarah L.

    · 2 Jul 2023

    I’ve been looking for an easy banchan recipe, and this hit the spot! Perfect balance of spice and tang.

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