If there’s one side dish I rarely skip with Korean food, it’s Korean cucumber salad, also called oi muchim. This banchan is spicy, tangy, and crunchy — a refreshing counterpoint to rich mains and warm rice dishes.
The whole recipe takes about 20 minutes, most of which is hands-off while the cucumbers release their excess moisture.
Enjoy it with a bowl of rice and cold silken tofu with gochujang sauce, or pair it with vegan japchae, sweet-and-sour tofu, or Thai basil fried rice for a bright, textural side.
Quick Look: Korean Cucumber Salad
✅ Recipe Name: Korean Cucumber Salad
🕒 Ready In: 20 minutes
👪 Serves: 4
🍽 Calories: About 50 kcal per serving (varies with sesame oil and sweetener)
🥣 Main Ingredients: Persian cucumbers, gochugaru, soy sauce, rice vinegar, sesame oil, garlic, sesame seeds, green onions
👌 Difficulty: Easy — slice, salt, mix dressing, toss, and serve.
Key ingredients and why they matter
- Persian cucumbers: Crisp, thin-skinned, and low in seeds, they deliver the ideal crunch and minimal bitterness for oi muchim.
- Salt: Salting draws out excess water so the salad stays crisp and the dressing remains flavorful rather than watery.
- Gochugaru (Korean chili flakes): Gives a vibrant color and a mild, smoky heat that’s essential for authentic flavor.
- Rice vinegar: Bright acidity balances the spice and enhances the refreshing quality of the cucumbers.
- Dark soy sauce: Adds savory depth and a touch of umami to the dressing.
- Sesame oil + sesame seeds: Toasted sesame oil brings nuttiness and warmth; sesame seeds add aroma and subtle texture.
The full recipe with exact measurements appears below in the recipe card.
How to Make Korean Cucumber Salad
- Thinly slice Persian cucumbers and toss with salt. Let sit 15–20 minutes to draw out moisture.
- Rinse the cucumbers to remove excess salt and gently squeeze or press to remove remaining water.
- Whisk rice vinegar, gochugaru, gochujang, sesame oil, dark soy sauce, maple syrup, sesame seeds, and chopped green onions until combined.
- Toss the drained cucumbers with the dressing. Serve immediately for maximum crunch or chill briefly before serving.
Why salt the cucumbers?
Salting the cucumbers is essential. Osmosis pulls water out of the cucumber cells, preventing the salad from becoming watery once dressed. It also concentrates flavor and preserves the crunchy texture that defines authentic oi muchim.
Pro Tips
Adjust spice thoughtfully. Gochugaru varies by brand — taste and adjust to your heat preference.
Pick the right cucumber. Persian or English cucumbers work best; waxy slicing cucumbers have more seeds and water.
Don’t skip salting. It’s the key step to keep the salad crisp and prevent a watery dressing.
Slice thinly and evenly. Thin slices absorb dressing better and give a balanced bite.
Use a light touch with dressing. Aim for a thin, flavorful coating rather than drenching the cucumbers.
Serve fresh. The salad is best the same day — it may soften after 24 hours.
Korean Cucumber Salad FAQs
Yes — you can prepare it ahead, but it’s best within 24 hours. After that the cucumbers soften and release more liquid.
This version uses gochugaru, sesame oil, and soy sauce for bold, savory heat, unlike creamy or dill-based Western cucumber salads.
Most often it’s from skipping or shortening the salting step. Proper salting prevents excess liquid from diluting the dressing.
Korean Cucumber Salad Serving Suggestions
Cheesy Korean Potato Pancakes — a savory side to pair with oi muchim
Gochujang tofu — crispy, spicy, and satisfying
Cold tofu with gochujang peanut sauce — a cool complement
Spicy peanut noodles — rich and creamy with a spicy edge
Please leave a review if you make this recipe — feedback helps improve future recipes.
Easy Korean Cucumber Salad (Oi Muchim)
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Ingredients
- 1 lb Persian cucumbers (about 16 ounces)
- 1 tsp salt
- Green onions, for garnish and mixing
- 1 tbsp rice vinegar
- 2 tsp gochugaru (coarse)
- 1 tsp sesame oil
- 2 tsp maple syrup
- 1 tsp sesame seeds
- 2 tbsp chopped green onions
- 1 tsp gochujang (optional, for depth)
- 1 tbsp dark soy sauce
Instructions
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Salt the cucumbers: Thinly slice the cucumbers and toss with salt. Let sit 15–20 minutes to draw out moisture.
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Rinse and drain: Rinse under cold water to remove excess salt, then gently squeeze or press to remove as much liquid as possible.
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Make the dressing: In a bowl combine rice vinegar, gochugaru, gochujang (if using), sesame oil, dark soy sauce, maple syrup, sesame seeds, and chopped green onions. Stir until smooth.
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Toss and serve: Add the drained cucumbers to the dressing and toss until coated. Serve immediately or chill briefly.
Notes
Spice level: Reduce gochugaru for milder heat or increase for more kick.
Variations: Add thinly sliced garlic, shredded carrots, or a splash of lemon juice for brightness.
Nutrition
, Carbs: 8 g
, Protein: 2 g
, Fat: 2 g
Nutrition information is an estimate and should be used as a guideline.