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This sunomono offers a taste of Japan with simple ingredients in 20 minutes! Thinly sliced cucumber and wakame seaweed are dressed with a light, refreshing dressing.

two square plates with sunomono (Japanese cucumber salad) salad topped with white sesame seeds.

In This Post

Why You Will Love This Recipe

This recipe is so easy to make… you just need to make the dressing, prep the cucumber and wakame, mix them together, and done!

I like sunomono because

  1. It’s refreshing and perfect for a hot summer
  2. The dressing isn’t too strong so I can actually taste the cucumber and wakame
  3. It’s perfect to pair with something oily (like teriyaki chicken) to refresh your palate

It’s crunchy, tangy, sweet, and refreshing! I hope you’ll like it too🙂

What is Sunomono?

Sunomono, Japanese cucumber salad, refers to any salad that is made with vinegar in Japan (“Su” means vinegar), and it’s usually served as a side with other dishes.

Variations of Sunomono

You can add anything you want to this basic sunomono!

The examples are:

  • Crab meat
  • Glass noodles
  • Boiled octopus
  • Enoki mushrooms
  • Daikon radish
  • Chikuwa (fish cake)
  • Tomatoes
  • Cabbage

And so on!

Please let me know in the comments below if you find your favorite variation 🙂

Let’s Make This Together!

1. Make the dressing

Mix all dressing ingredients and microwave them for about 1 minute.

a measurement cup with liquid in it, and it's in a microwave.

2. Prep the cucumber

Cut a cucumber and massage with salt. Let it sit for 10 minutes

coined cucumbers on a cutting board, sprinkled salt.

3. Soak the wakame

Soak dried wakame in water and let it sit for 5 minutes

a bowl with cut dried wakame and water in it.

4. Squeeze them

Squeeze the cucumber and wakame with your hands.

a bowl with squeezed cut wakame and sliced cucumbers in it.

5. mix the dressing and enjoy!

Mix everything and enjoy the fresh salad!

a bowl with sliced cucumbers, cut wakame, and dressing.
two square plates with sunomono (Japanese cucumber salad) salad topped with white sesame seeds.

If you created this recipe and liked it, please let me know by leaving a comment below or tagging me on Instagram (@giveme.umami). I’d love to see your creation!

Japanese Cucumber Salad (Sunomono) 酢の物

Prep Time 20 minutes
Cook Time 5 minutes
Total Time 25 minutes
Servings 4
Calories 25
This sunomono offers a taste of Japan with simple ingredients in 20 minutes! Thinly sliced cucumber and wakame seaweed are dressed with a light, refreshing dressing.

Ingredients

  • ½ tablespoon cut dried wakame (1.5g)
  • ½ seedless or English or Japanese cucumber* (about 190g)
  • ¼ teaspoon salt

For the dressing

  • 3 tablespoons dashi (or 3 tablespoons of water and ¼ teaspoon of dashi powder)
  • 2 tablespoons rice vinegar
  • 2 tablespoons mirin
  • 1.5 teaspoons soy sauce
  • ¼ teaspoon salt

Instructions 

  • Mix all the dressing ingredients in a microwave safe bowl. Microwave them for 1 minute and let it cool
  • Slice the cucumber into coins. Sprinkle salt and massage them with your hands. Let it sit for about 10 minutes until water starts coming out from the cucumbers.
  • Soak the wakame seaweed in plenty of water and let it sit for about 5 minutes. Squeeze them with your hands after the time’s up. If you use non-cut wakame, you can cut them into bite sizes now.
  • When the time’s up, squeeze the cucumbers and wakame with your hands and put them in a bowl. Add the dressing and mix them well.

Notes

* American cucumbers have bigger and more seeds, and they don’t suit Japanese recipes. You can usually find seedless cucumbers at your local grocery stores. I always use the ones from Aldi and it works perfectly fine.
Calories: 25kcal
Course: Side Dish
Cuisine: Japanese
Keyword: quick, side, sunomono

What To Serve With Sunomono

  • Rice: Japanese rice (short grain)
  • Soup: Basic Miso Soup
  • Main: Teriyaki Chicken
  • Side 1: Kiriboshi Daikon (simmered daikon radish)

Frequently Asked Questions About This Recipe

How do I store and reheat the leftovers? Can I freeze them?

Store the leftovers in an airtight tight container for up to 4 days in the fridge.
You can’t freeze them.

Can I make this sunomono gluten-free?

You can make sunomono gluten-free by using gluten-free soy sauce and dashi.

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