Vinegar Cucumber Salad (Japanese Sunomono)
This refreshing Japanese vinegar cucumber salad, known as Sunomono, comes together in minutes with crisp cucumbers, rice vinegar, and a touch of sesame for a light, tangy side dish you will crave all summer long.
The Japanese Cucumber Salad You Will Make on Repeat
If you have ever sat down at a Japanese restaurant and found yourself reaching for that small dish of cool, tangy cucumbers before anything else arrived, you already know the magic of Sunomono. This traditional Japanese side salad is light, refreshing, and deceptively simple, built around crisp cucumber slices soaked in a sweet rice vinegar dressing with a whisper of sesame. It is the kind of healthy Japanese salad dish that disappears fast at the dinner table, and for good reason.
Sunomono literally translates to "vinegared things" in Japanese, and the cucumber version is by far the most beloved. Whether you call it a cucumber Japanese recipe, a cucumber sunomono, or simply the best thing you have made in five minutes, this salad punches well above its weight in flavor.
Getting the texture right comes down to two things: slicing the cucumbers thin enough and pulling out the extra moisture before dressing them. A sharp mandoline or a good chef's knife makes a real difference, and using a quality unseasoned rice vinegar gives the dressing that clean, bright acidity that defines authentic Japanese cucumber salad ingredients.
What Makes Sunomono So Special
The beauty of this traditional Japanese side salad is in its restraint. There are no heavy sauces or complicated techniques. Instead, every ingredient earns its place:
- Rice vinegar provides a gentle, mellow acidity that is softer than white or apple cider vinegar
- A pinch of sugar balances the tang and brings out the cucumber's natural sweetness
- Soy sauce adds just enough umami depth without overpowering the freshness
- Toasted sesame oil brings a nutty, aromatic finish that ties everything together
Chef's Tip: Salting and squeezing the cucumbers before dressing them is the single most important step. Skip it, and you will end up with a watery, diluted salad. Take the extra five minutes, and you will have perfectly crisp, intensely flavored cucumber sunomono every time.
How to Serve This Healthy Japanese Cucumber Salad
The sunomono cucumber salad is endlessly versatile. Serve it as a starter alongside miso soup, or as a cool, palate-cleansing side to grilled salmon, teriyaki chicken, or a bowl of ramen. It is also a natural fit on any sushi night spread.
For a more traditional presentation, stir in a small handful of rehydrated wakame seaweed or a few cooked shrimp before serving. Both are classic Sunomono salad recipe additions that add texture and a subtle briny quality.
Quick Variations to Try
- Spicy Sunomono: Add a few drops of chili oil or a pinch of togarashi to the dressing
- Creamy Sesame: Whisk in a teaspoon of tahini or Japanese sesame paste for a richer version
- Citrus Twist: Swap half the rice vinegar for fresh yuzu juice or a squeeze of lime
Ready to bring this cucumber Japanese recipe to your table? Here is everything you need:
Vinegar Cucumber Salad (Japanese Sunomono)
This refreshing Japanese vinegar cucumber salad, known as Sunomono, comes together in minutes with crisp cucumbers, rice vinegar, and a touch of sesame for a light, tangy side dish you will crave all summer long.
Ingredients
- 2 English cucumbers, thinly sliced into rounds
- 1 tsp kosher salt, for drawing out moisture
- 3 tbsp rice vinegar, unseasoned preferred
- 1 tbsp granulated sugar
- 1 tsp soy sauce, low-sodium recommended
- 1/2 tsp toasted sesame oil
- 1 tsp toasted sesame seeds, for garnish
- 1/2 tsp fresh ginger, finely grated, optional
Instruction
Slice the cucumbers into thin rounds, about 1/8 inch thick. Place them in a colander set over a bowl and toss with the kosher salt. Let them sit for 5 to 10 minutes to draw out excess moisture.
While the cucumbers rest, whisk together the rice vinegar, sugar, soy sauce, toasted sesame oil, and grated ginger (if using) in a small bowl until the sugar fully dissolves.
Using your hands or a clean kitchen towel, gently squeeze the salted cucumbers to remove as much water as possible. Discard the liquid.
Transfer the squeezed cucumbers to a mixing bowl and pour the dressing over them. Toss well to coat every slice evenly.
Let the salad marinate for at least 5 minutes at room temperature, or refrigerate for up to 30 minutes for a more developed flavor.
Taste and adjust seasoning, adding a touch more vinegar for tang or sugar for balance. Serve chilled or at room temperature, garnished with toasted sesame seeds.
Equipment
- Sharp chef's knife or mandoline slicer
- Colander
- Mixing bowls
- Small whisk
- Microplane or fine grater
Notes
Storing and Making Ahead
This healthy Japanese salad dish is best the day it is made. The cucumbers will continue to soften as they sit in the dressing, so if you are prepping for a party or meal prep, salt and squeeze the cucumbers in advance and keep the dressing separate. Combine them right before serving for the best texture.
Leftovers keep in an airtight container in the refrigerator for up to one day. Give them a quick drain before serving since the cucumbers will release more liquid overnight. It is a small step that makes a big difference in the final result.
