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Sunomono 酢の物 , a traditional Japanese cucumber salad, is made with thinly sliced cucumbers dressed with a bright vinegar dressing made of soy sauce, rice wine vinegar, and sugar. It’s a light, refreshing Japanese cucumber salad that is the perfect side dish to any meal!

Sunomono, Japanese cucumber salad, in a white bowl.

What is sunomono?

Sunomono (酢の物) is a Japanese cucumber salad made of thinly sliced Japanese cucumbers dressed in a tangy and bright vinegar-based dressing of rice wine vinegar, soy sauce, and sugar. It’s a refreshing salad commonly served in sushi restaurants as an appetizer or starter.

What’s unique about sunomono is how the cucumbers are lightly salted ahead of time to draw out their moisture. This preparation gives the cucumbers a crunchy texture not found in other cucumber salads while adding the perfect amount of seasoning.

Sunomono or Japanese cucumber salad in a white bowl.

Why use Japanese cucumbers?

Two Japanese cucumbers.

Japanese cucumbers are best for sunomono because of their low seed content, slightly sweet flavor, thin skin, and crispy texture.

Because the skin is typically left on for sunomono, using a variety of cucumbers with thin, non-bitter skin, such as the Japanese cucumber, is ideal.

Types of cucumbers for sunomono

Good substitutions for Japanese cucumber are the English cucumber and Persian cucumber.

The difference between Japanese and English cucumbers is that the Japanese variety is thinner and smaller, so please be sure to look for thin, medium-sized English cucumbers to substitute with the Japanese cucumber.

Otherwise, a few Persian cucumbers may be used as well. Typically, 3 to 4 medium Persian cucumbers will amount to a large Japanese cucumber.

Ingredients for Sunomono

Ingredients for sunomono.
  • Japanese cucumbers – Look for one that’s firm and blemish-free. Substitute with a medium English cucumber or 3 to 4 medium-sized Persian cucumbers.
  • Sea salt – Sprinkling the sliced cucumbers with salt will draw out their moisture, creating an extra crunchy texture.
  • Rice wine vinegar – This gives the dressing a bright and tangy flavor. Use unseasoned rice wine vinegar.
  • Soy sauce – A touch of soy sauce adds salinity and umami to this refreshing salad.
  • Sugar – Sugar adds a subtle sweetness to the dressing, making it perfectly balanced.

How to Make Sunomono (Japanese Cucumber Salad)

Step by step photos for how to make sunomono.
  1. Slice the cucumbers very thinly using a mandoline or a sharp knife. Ensure they are even in thickness.
  2. Add sea salt to the cucumbers and toss to coat the cucumber slices evenly. Set it aside for several minutes until the moisture is drawn out. This seasons the cucumber slices and allows them to have a crunchy texture. Taste the cucumber and rinse it once if you find it too salty.
  3. Next, mix together the rice wine vinegar, soy sauce, sugar, and sesame seeds to create a vinaigrette dressing.
  4. Finally, pour the dressing over the cucumbers and serve immediately or chill in the fridge.
Sunomono or Japanese cucumber salad with sesame seeds in a white bowl.

More cucumber recipes:

Sunomono or Japanese cucumber salad.
5 from 66 votes
Servings: 4

10 Minute Sunomono (Japanese Cucumber Salad)

Sunomono salad is a refreshing Japanese cucumber salad with crisp, thin slices of cucumber tossed in a tangy Japanese dressing of rice vinegar, soy sauce & sugar.
Prep: 10 minutes
Total: 10 minutes
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Ingredients 

  • 1 large Japanese cucumber, see Note 1
  • 1 teaspoon sea salt

Sunomono Dressing

Instructions 

  • Prep the cucumbers: Use a mandoline to thinly slice the cucumbers. Toss the sliced cucumbers with sea salt and let stand until the moisture is drawn out, about 3 to 6 minutes, depending on thickness.
    Squeeze out the excess moisture. Taste and rinse if it's too salty. Otherwise, leave it as is.
    1 large Japanese cucumber, 1 teaspoon sea salt
  • Dressing: Combine the rice wine vinegar, sugar, soy sauce, and sesame seeds in a bowl. Whisk to dissolve the sugar.
    2 tablespoons rice wine vinegar, 1 tablespoon sugar, 1 teaspoon soy sauce, 1 teaspoon toasted sesame seeds
  • Serve: Toss the cucumbers with the dressing and serve immediately or chilled. Enjoy!

Notes

  1. Japanese cucumber – For substitutions, use a medium-sized English cucumber or the equivalent amount of Persian cucumbers (about 3 to 4).
  2. Optional – Add wakame (seaweed), tako (octopus), crab, or shrimp.

Nutrition

Calories: 28kcal, Carbohydrates: 6g, Protein: 1g, Fat: 0.3g, Saturated Fat: 0.1g, Polyunsaturated Fat: 0.1g, Monounsaturated Fat: 0.1g, Sodium: 667mg, Potassium: 116mg, Fiber: 0.4g, Sugar: 4g, Vitamin A: 79IU, Vitamin C: 2mg, Calcium: 18mg, Iron: 0.3mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Like this? Leave a comment below!

What is a Japanese cucumber?

Japanese cucumbers are thin, mild-flavored cucumbers with very few seeds. Their crunchy, slightly sweet flavor and thin skin make them ideal for eating raw or pickled.

How do I serve sunomono?

Sunomono is typically served as an appetizer or starter in Japanese restaurants and is usually served chilled and sometimes with wakame (seaweed), tako (octopus), crab, or shrimp. It’s a popular Japanese cucumber salad found on many sushi restaurant menus.

Jamie from Drive Me Hungry

Jamie

Hi there! I’m Jamie, enthusiastic eater and determined cook! I make is quick and easy recipes that still look amazing and taste delicious. Most of my recipes are perfect for weeknight meals as they're simple and easy to follow.

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Recipe Rating




15 Comments

  1. DK Park says:

    5 stars
    This was so simple to make and refreshing. I added some crab meat for protein. The best sunomono recipe!

  2. Laura Arteaga says:

    5 stars
    I love side dishes that are refreshing, and simple to make. Really enjoyed this sunomono salad, love the umami flavors!

  3. Erin says:

    5 stars
    This looks so refreshing! I want to make it for a picnic together. Love how easy it is!

  4. Jacqueline Debono says:

    5 stars
    I served this Japanese cucumber salad with my homemade sushi. It was so good and easy to make too!

  5. Mikayla says:

    5 stars
    So easy to make and is great for a snack, lunch side or to go with dinner or on a salad!

  6. Alexandra says:

    5 stars
    I made this salad using fresh cucumbers grown in my garden. I loved how fresh and tasty it is. The Sunomono Dressing is so delicious. I will be making this again, thank you!

  7. Cathleen says:

    5 stars
    This Japanese cucumber salad has everything that I love in it! Thank you so much for sharing, it will definitely be a favorite here!

  8. veenaazmanov says:

    5 stars
    Healthy, easy and yet so tempting. I love this delicious and easy dressing recipe too.

  9. Colleen says:

    5 stars
    This simple and delicious cucumber salad was a perfect side dish for my teriyaki chicken. Thanks for the recipe!

  10. Yu says:

    5 stars
    I love this light and clean side dish. It makes a refreshing accompaniment to sushi and my other Asian dishes!

  11. Chenee says:

    5 stars
    The dressing on this salad was so flavorful! Every bite was amazing.

  12. Gianne says:

    5 stars
    The combination of fresh cucumbers, tangy rice vinegar, and a hint of sweetness is just so refreshing and delicious. It’s the perfect side dish or appetizer, and I could honestly eat it every day. So good!

  13. Saif says:

    5 stars
    Whenever I’m at a Japanese restaurant, I order sunomono. This recipe was really good. Perfect to eat with rice and meat dishes.

  14. Mahy says:

    5 stars
    Love this salad. I often use it as a side with so many great dishes! Absolutely stunning.

  15. Lima Ekram says:

    5 stars
    This salad was just wonderful. Quite addictive. I cant wait to make it again!