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Japanese potato salad is a classic side dish featuring soft and fluffy boiled potatoes, crunchy vegetables like cucumber and carrot, salty ham, and sweet corn, all mixed with a creamy and tangy dressing made of Japanese Kewpie mayo and rice wine vinegar!

Japanese potato salad with vegetables in a bowl.

What is Japanese potato salad?

Japanese potato salad is a hearty twist on traditional potato salad and a favorite Japanese comfort food! It’s loaded with slices of ham, hard boiled egg, and crunchy cucumber to keep you satisfied for hours.

What makes this potato salad really stand out is the dressing! After several attempts, I’ve found the perfect balance of sweet, salty, creamy, and tangy flavors which I share in this recipe.

The key to the best Japanese potato salad is to use Japanese mayo as it’s creamier and a bit saltier than American mayo. I highly recommend this for the most authentic flavor.

Kewpie mayo.

A popular brand of Japanese mayo is Kewpie mayo, which you can find in most Asian grocery stores or the Asian aisle of your supermarket. What makes it extra creamy is the high amount of egg yolks used in their recipe, according to their website.

Ingredients for Japanese Potato Salad

Ingredients for Japanese potato salad.

Potatoes – Many recipes use russet potatoes but I prefer using creamer potatoes for a creamier flavor. However, if you prefer a fluffier texture, feel free to use russet potatoes.

Japanese mayo – This is an essential ingredient in Japanese potato salad. It’s more creamy and savory compared to regular mayo. I highly recommend the Kewpie brand.

Ham – Ham is a popular ingredient found in this dish. Use any ham, smoked or cured. It adds a salty, meaty element to this hearty dish.

Cucumber – Cucumber is another main ingredient. It’s always sliced thin and salted to draw out the liquid, which is then squeezed out and drained. This technique results in very crunchy, salted cucumber bits, which add a crunchy texture to this salad. I recommend using English, Japanese, or Persian cucumbers due to their lower seed content.

Carrots – Crunchy pieces of carrot are usually found in this dish to add color and texture. I prefer them slightly blanched to soften the texture so I add them during the last few minutes of boiling the potatoes.

Step by Step Instructions

Step by step photos of how to make Japanese potato salad.

Here’s how to make Japanese potato salad with helpful step by step instructions and photos:

  1. Toss the cucumber slices with salt and set it aside to draw out the liquid. Squeeze and drain out this liquid and set it aside. The slices should be very crunchy and well-seasoned. If you find it too salty, you can rinse them once and drain them well.
  2. Mix together the Kewpie mayo, rice wine vinegar, sugar, salt, and pepper. Taste it and adjust the seasonings to your liking. It should be a perfect balance of savory, creamy, and tangy flavors with a hint of sweetness.
  3. Boil the potatoes until tender, adding the diced carrots during the last few minutes. In a large bowl, add the potatoes, carrots, hard-boiled eggs, ham, and corn.
  4. Add the dressing and mash the potatoes to your desired consistency while mixing it all. Serve it immediately or store it in the fridge to serve cold.
Japanese potato salad in a white bowl.

Helpful Tips

  • Cut the potato into medium chunks for faster cooking. Use russet potatoes for a fluffier texture. For a creamier texture, use creamer potatoes.
  • I recommend English, Persian, or Japanese cucumbers because of their low seed content. Otherwise, remove the seeds with a spoon before salting.
  • Drain the potatoes well to avoid a soggy texture.
  • Use Japanese mayo, such as Kewpie mayo, for authentic flavor.

More Japanese recipes:

Japanese potato salad in a bowl.
5 from 48 votes
Servings: 4

Japanese Potato Salad

Japanese potato salad is a classic side dish featuring potatoes and crunchy vegetables with a creamy and tangy dressing made of Japanese Kewpie mayo and rice wine vinegar!
Prep: 10 minutes
Cook: 20 minutes
Total: 30 minutes
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Ingredients 

  • 2 large potatoes, cut into medium chunks; 2 cups
  • 2 hard-boiled eggs, chopped
  • ½ medium English cucumber, thinly sliced
  • 3 slices ham, diced
  • ¼ cup corn, canned or frozen
  • ¼ cup carrots, ¼ inch dice
  • ½ teaspoon salt

Dressing:

Instructions 

  • Coat the cucumber slices with salt and set it aside to draw out the moisture, about 10 minutes. Squeeze out the liquid and set it aside.
    ½ medium English cucumber, ½ teaspoon salt
  • Boil the potatoes in lightly salted water until they are easily pierced with a fork. Add the carrots during the last 2 minutes of cooking to soften them up. Drain the water and set it aside.
    2 large potatoes, ¼ cup carrots

Dressing

  • Combine the Japanese mayo, rice wine vinegar, salt, pepper, and sugar (if using) to make the dressing. Taste and adjust to your liking. It should taste creamy and savory with a hint of tang.
    ⅓ cup Japanese mayonnaise, 1 ½ teaspoon rice wine vinegar, 1 teaspoon sugar, ½ teaspoon salt, ¼ teaspoon black pepper

Assemble

  • Toss the dressing with the potatoes, carrots, chopped hard boiled eggs, cucumber slices, corn, and diced ham. Mash the potatoes to your liking while mixing in the dressing.
    3 slices ham, ¼ cup corn, 2 hard-boiled eggs

Serve

  • Serve immediately or refrigerate to serve cold. Enjoy!

Notes

Makes about 3 cups of Japanese potato salad.
For a fluffier texture, use russet potatoes. For a creamier texture, use creamer potatoes, such as Yukon Gold. 

Nutrition

Calories: 238kcal, Carbohydrates: 5g, Protein: 8g, Fat: 20g, Saturated Fat: 4g, Polyunsaturated Fat: 9g, Monounsaturated Fat: 6g, Trans Fat: 0.04g, Cholesterol: 114mg, Sodium: 988mg, Potassium: 202mg, Fiber: 1g, Sugar: 3g, Vitamin A: 1536IU, Vitamin C: 2mg, Calcium: 25mg, Iron: 1mg

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

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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




17 Comments

  1. Leslie says:

    5 stars
    Oh my gosh..the dressing in this Japanese Potato salad is the best thing ever!! Love this!

  2. Jackie says:

    5 stars
    I made this for a BBQ this past weekend, and everyone LOVED it!! I did use turkey instead of ham, but that is the only change I made. Will be making this all Summer!

  3. Sean B says:

    5 stars
    I had a friend that used to make this in college and I have never found a good recipe for Japanese potato salad until now. This tastes just like theirs.

  4. Amy says:

    5 stars
    A good dish it is! The flavors are wonderfully combined, the texture is great and the presentation is awesome!

  5. Veronika says:

    5 stars
    The Japanese mayo with rice vinegar added such different flavor than a regular potato salad, we loved it! Cucumbers and corn are new to us in a potato salad as well but it all worked so well together!

  6. Bernice says:

    5 stars
    There’s a sushi place near me that also sells potato salad and I’m a huge fan! Your recipe comes close in flavour but it’s the creamy texture that is perfection.

  7. Cathleen says:

    5 stars
    I love a good potato salad, and this one looks perfect! I am making this tonight, thank you so much for sharing 🙂

  8. Ashley says:

    5 stars
    I love all the added veggies and textures to this potato salad. This recipe is a keeper for sure! Perfect for summertime cookouts too!

  9. Smith says:

    5 stars
    Can I add crab stick and onions to this?

  10. Kathryn says:

    5 stars
    This is such a perfect salad for summer! Love all of these ingredients and the ham makes a nice addition! Making this again for a party!

  11. Debbie says:

    5 stars
    This Japanese Potato Salad is my new favorite summer side dish. I love the flavor of the Kewpie Mayonnaise and the English Cucumber adds a new level of freshness. I will be making this all summer long .

  12. Vicky Perreault says:

    5 stars
    I have never tried Japanese potato salad before, but I loved the blend of textures and flavors! It is a tasty addition to any meal, and I will make it again.

  13. Paula says:

    5 stars
    This Japanese potato salad was nothing short of incredible. I never want to go back to the classic American way again!

  14. Vanessa says:

    5 stars
    My whole family absolutely loved this variation of potato salad! Thanks for the recipe!

  15. Nathanaelle Yoshimura says:

    5 stars
    Loving the fresh crunch from the corn and cucumber! Kiddos ate their whole serving for lunch, always a win in my book!

  16. Colleen says:

    5 stars
    I have Kewpie mayonnaise from making sushi and I can’t wait to make this recipe. It looks like a delicious change from boring potato salad.

  17. Ramona says:

    5 stars
    This is really tasty! the creaminess and tanginess of this salad is great.