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Japanese Cucumber Salad Recipe

This Japanese Cucumber Salad Recipe is a light, refreshing, and authentic sunomono-style dish made with crisp cucumbers tossed in a perfectly balanced sweet-and-tangy rice vinegar dressing. It’s quick to prepare, healthy, and the perfect side for any Japanese-inspired meal.
Prep Time 15 minutes
Course Appetizer, Main Course, Snack
Cuisine Japanese
Servings 4
Calories 60 kcal

Ingredients
  

  • 3 –4 Japanese cucumbers or English/Persian cucumbers, thinly sliced
  • 1 teaspoon fine sea salt
  • For the Dressing:
  • 3 tablespoons rice vinegar
  • 1 tablespoon mirin or 1/2 tablespoon sugar + 1/2 tablespoon water
  • 1 teaspoon soy sauce
  • 1/2 teaspoon toasted sesame oil optional
  • Optional Add-Ins & Garnish:
  • 1 –2 tablespoons dried wakame seaweed rehydrated
  • 1 teaspoon toasted white or black sesame seeds
  • Thinly sliced scallions or grated fresh ginger

Instructions
 

Slice the cucumbers:

  • Wash the cucumbers and slice them very thinly using a sharp knife or mandoline.

Salt and drain:

  • Place sliced cucumbers in a bowl, sprinkle with salt, and toss gently. Let sit for 10–15 minutes until moisture is released.

Remove excess liquid:

  • Gently squeeze the cucumbers by hand or press them in a sieve to remove excess water. This step ensures a crisp salad.

Prepare the dressing:

  • In a small bowl, whisk together rice vinegar, mirin, soy sauce, and sesame oil until well combined.

Combine:

  • Add the drained cucumbers to a clean bowl. Pour the dressing over them and toss gently to coat evenly.

Rest and chill:

  • Let the salad rest for 5–10 minutes. Chill briefly if desired for extra freshness.

Garnish and serve:

  • Sprinkle with sesame seeds and optional garnishes before serving.

Notes

  • For extra umami, add rehydrated wakame seaweed or cooked shrimp.
  • Adjust sweetness or acidity by tweaking mirin or vinegar amounts.
  • Store leftovers in an airtight container in the refrigerator for up to 2 days.
  • Avoid freezing; cucumbers lose their crisp texture.
  • Best served chilled but not ice-cold for optimal flavour.