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Spicy Korean Cucumber Salad

This Spicy Korean Cucumber Salad is the ultimate summer side dish—crunchy, refreshing, tangy, and perfectly spicy. Smashed cucumbers soak up a bold, umami-packed dressing made with gochujang, garlic, sesame oil, and scallions. It’s vegan, gluten-free, and ready in under 30 minutes. Serve it as a cold side dish, light appetizer, or pair with rice for a complete meal.
Prep Time:20 minutes
Cook Time:5 minutes
Resting Time:30 minutes
Total Time:55 minutes
Course: Salad, Side Dish
Cuisine: Korean
Keyword: Asian cucumber salad,, Korean side dish, Spicy Korean Cucumber Salad
Servings: 4 Servings

Ingredients

Salad:

  • 24 ounces 680g cucumbers (Persian, Japanese, Korean, or English)
  • 1 teaspoon kosher salt
  • 1 large shallot thinly sliced
  • 2 scallions sliced on a bias (separate whites and greens)
  • 1 tablespoon white sesame seeds toasted

Dressing:

  • 2 tablespoons gochujang Korean red chile paste
  • ½ tablespoon gochugaru Korean red chile flakes
  • 1½ tablespoons toasted sesame oil
  • 1 tablespoon soy sauce
  • 1 tablespoon rice vinegar
  • 2 teaspoons agave nectar or organic cane sugar
  • 3 garlic cloves minced or pressed

Instructions

  • Wash and dry cucumbers. Slice off ends and cut lengthwise.
  • Smash cucumbers using the flat side of a heavy knife. Tear into bite-sized pieces.
  • Transfer smashed cucumbers to a colander. Sprinkle with kosher salt and toss.
  • Weigh cucumbers down with a bag of ice or frozen peas. Refrigerate for 30 minutes (or up to 4 hours).
  • After resting, shake off or squeeze excess water from cucumbers.
  • Slice shallot thinly and slice scallions on a bias. Separate greens for garnish.
  • In a bowl, whisk together gochujang, gochugaru, sesame oil, soy sauce, rice vinegar, sweetener, and garlic.
  • Add cucumbers, scallion whites, and shallots to the dressing. Massage dressing into cucumbers for about 1 minute.
  • Garnish with toasted sesame seeds and scallion greens. Serve chilled.

Notes

- Best cucumbers: Persian, Korean, or Japanese for crunch and ease of smashing. Avoid pole cucumbers.
- Toast sesame seeds in a dry pan over medium heat for 2–4 minutes until golden.
- Use 1 tablespoon of gochujang for less heat, or adjust to your taste.
- Leftovers stay flavorful even with water release. The extra sauce is great over rice.
- This salad is best served cold and fresh, but keeps well in the fridge for 1–2 days.