Oi Muchim (Korean Spicy Cucumber Salad)
This Cold Spicy Cucumber Salad, known as Oi Muchim, is a refreshing and tangy side dish that pairs perfectly with rice and other Korean meals. The crisp cucumbers are combined with a spicy seasoning that gives it a vibrant kick, making it a favorite during hot summer days.

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Illustrated cooking guide
Step-by-step visual method
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Written method
Instructions
Read through once, then cook at your own pace with the illustrated guide above.
- 1
Start by thoroughly washing the cucumbers. Cut them in half lengthwise and scoop out the seeds with a spoon for a crisper salad.
- 2
Slice the cucumbers into thin half-moons and place them in a bowl. Sprinkle with sea salt and let them sit for about 10 minutes to draw out excess moisture.
- 3
In a separate bowl, mix together the gochugaru, sugar, rice vinegar, minced garlic, and sesame oil to create the dressing.
- 4
After 10 minutes, rinse the cucumbers under cold water and drain well. Transfer them to a mixing bowl.
- 5
Pour the dressing over the cucumbers and toss until they are well coated.
- 6
Finally, sprinkle sesame seeds on top and give it one last gentle toss. Adjust seasoning with additional salt if necessary.
Cook notes
Tips
For extra crunch, use pickling cucumbers if available.
Chill the salad for 20 minutes before serving to enhance the flavors.
Adjust the spice level by varying the amount of gochugaru to your taste.
Cook smarter
Helpful notes
Practical storage, serving, swap, and troubleshooting notes for a better first try.
Storage Tips
- Store leftovers in an airtight container in the refrigerator for up to 3 days.
- For best flavor, enjoy the salad within the first two days.
- Avoid freezing, as cucumbers do not thaw well.
Substitutions
- Replace gochugaru with chili powder for a less authentic but milder option.
- Use apple cider vinegar instead of rice vinegar for a different flavor profile.
What to Serve With
- Steamed white rice
- Kimchi
- Korean BBQ meats
Common Mistakes
- Not salting the cucumbers long enough can result in a watery salad.
- Using too much gochugaru can overpower the dish if you prefer a milder flavor.
- Forgetting to rinse off the salt may leave the cucumbers too salty.
Recipe FAQ
Can I use regular cucumbers instead of pickling cucumbers?
Yes, regular cucumbers can be used, but pickling cucumbers are crunchier and may yield a better texture.
How long can I store this salad?
You can store the salad in an airtight container in the fridge for up to 3 days.
Is there a way to make this dish less spicy?
You can reduce the amount of gochugaru to make it milder or omit it altogether.
Kitchen tools
Helpful Tools for This Recipe
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Rice cooker
Good for steady rice, grains, and meal-prep bowls.
Chef knife
A basic prep tool for vegetables, herbs, aromatics, and proteins.
Cutting board
Keeps prep organized for chopping, slicing, and staging ingredients.
Measuring spoons
Useful for balancing spices, salt, acids, and sauces.
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