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    Home » Recipes » Fresh Salads

    Midnight Diner Potato Salad {Japanese Potato Salad}

    Sep 26, 2025 · by Jan Nunes · This post may contain affiliate links · 4 Comments

    Jump to Recipe Pin This Now!
    A bowl of potato salad with onions, ham, carrots, and sweet pickles with text overlay.
    A bowl of potato salad with onions, ham, carrots, and sweet pickles with text overlay.

    Midnight Diner Potato Salad is a Japanese twist on the classic American potato salad, featuring ham, carrots, onions, and sweet pickles.

    The combination of a slightly sweet and sour dressing with different textures and flavors makes this potato salad a winner as both a side dish and a hearty snack.

    A bowl of potato salad with onions, ham, carrots, and sweet pickles.

    All of the ingredients are readily available at your local grocer except for Japanese mayonnaise, but I have a quick and easy substitution that you can make in just a couple of minutes.

    Jump to:
    • About the Midnight Diner
    • About This Japanese Potato Salad Recipe
    • Ingredient Notes
    • Pro Tips
    • How to This Make Midnight Diner Potato Salad
    • My Top Tip
    • Substitutions & Variations
    • Make-Ahead & Storage
    • More Delicious Potato Salads
    • 📖 Recipe
    • 💬 Comments

    About the Midnight Diner

    If you have seen the first season of the Japanese series "Midnight Diner" on Netflix you will immediately recognize this Japanese version of American potato salad.

    Midnight Diner is exactly what its name implies. It opens when most people are already home and in bed for the night. But for those people who are just getting off work from midnight to seven in the morning, this diner is a home away from home where the menu contains only three items, but the owner is willing to make any requested dish as long as he has the ingredients.

    Episodes feature a patron of the diner, a glimpse of their life story, and their favorite dish. Some of the stories are for mature audiences, but they are all heartfelt and touching, and through each story, we are reminded that food is tightly tied to memories, feelings, and comfort.

    About This Japanese Potato Salad Recipe

    One of the patrons of the Midnight Diner came one night and asked for potato salad, which the owner generally makes every evening. For Mr. Oki, we learn that this was his favorite childhood dish that his mother made.

    I was intrigued by the combination of ingredients and their textures and decided to make my version of this delicious Japanese potato salad.

    The version in the episode contains russet potatoes, which have an earthy flavor. My husband is not a fan of these so I switched them out for new potatoes and have made this salad with red, gold, and white potatoes and each is delicious.

    The other change I made was to make an easy substitute for the Japanese mayonnaise. I don't typically have this on hand and I think most Americans can't purchase it at a local grocer.

    Otherwise, the recipe is very much like what is shown and narrated in the show.

    The potatoes are cooked with the skins on, "which makes the potatoes sweeter" and the onions are added to the cooked and peeled potatoes while they are still hot which softens the onions.

    The potatoes and onions are allowed to cool completely before the addition of the sliced carrots, pickles, ham, and mayo.

    To be honest I don't know if the pickles are pickled or fresh cucumber. We like sweet bread and butter pickles which work deliciously with the other ingredients. So, I've gone with that choice and the resulting salad is truly unique, delicious, and a great change-up from my classic potato salad!

    So, let's cook!

    Ingredient Notes

    The ingredients, clockwise from top left: red potatoes, yellow onion, carrots, sweet pickle chips, rice vinegar, sugar, miracle whip, and cooked ham.

    Here's what you need for this Midnight Diner Potato Salad:

    • Large Potatoes - You can use almost any potato like red, gold, white, or even russet.
    • Yellow Onions - Yellow onions are sweeter and milder in flavor and a great complement to potatoes. Slice them thinly or grate them on a box grater.
    • Carrots - Thinly sliced carrots are added to the salad. If the carrots are large you might want to halve are quarter the slices as shown in the series.
    • Cooked Ham - Just like in the episode, I cut cooked, thin sliced ham into small 1" squares. You can use either honey ham or smoked ham.
    • Sweet Pickle Chips - I like the texture and flavor of bread and butter pickles, which work well with the salty ham. The Midnight Diner uses what could be sliced cucumber, but a pickled cucumber is more likely. Try my asian style quick pickled cucumber and omit the lemon for a more authentic flavor.

    And for the Japanese Mayonaise:

    • Miracle Whip Salad Dressing - Miracle Whip has a sweeter flavor and lighter texture than mayo and works well as a substitute for Japanese mayonnaise when sugar and rice wine vinegar are added to boost the flavor to sweet-sour.
    • White Granulated Sugar - A bit of sweetness helps offset the vinegar.
    • Rice Vinegar - I've used both seasoned and regular rice vinegar. Both are delicious.

    Please see the recipe card for the exact quantities.

    Pro Tips

    ♡ If you are cooking the potatoes with the skins on, remove a thin strip of the skin to make it easier to peel the potatoes after they are cooked.

    ♡ If the skins of the potatoes have burst while cooking the potatoes are overdone. For the best salad don't overcook the potatoes.

    How to This Make Midnight Diner Potato Salad

    Process Photo 1a - Scrubbed and clean red potatoes have a thin strip of the peel removed and are placed in a large pan of cold water.
    Process Photo 1b - A clean kitchen towel is used to rub the peel off a hot cooked potato.

    Cook the Potatoes. Scrub the potatoes well. Remove a thin strip of the peel and place them in a large pot. Cover with water and bring to a rapid boil over high heat. Reduce to a simmer and cook until the potatoes are tender.

    Drain the potatoes and while they are still hot peel them by rubbing the potato skin off with a clean kitchen towel. Place the peeled potatoes into a large bowl.

    Process Photo 2a - Sliced onions are added to the hot peeled potatoes.
    Process Photo 2b - The hot potatoes and onions are mixed together.

    Add the Onion. While the potatoes are still hot, break them up roughly with a large fork or wooden spoon leaving large chunks. Fold in the sliced onions. The heat of the hot potatoes will soften the onions. Allow the potatoes and onions to cool completely.

    Process Photo 3a - The dressing ingredients are added to a small bowl.
    Process Photo 3b - The salad dressing ingredients are whisked together in a small bowl.

    Make the Japanese Mayonnaise. While the potatoes cool, in a medium bowl whisk together Miracle Whip salad dressing, white sugar, and the rice vinegar.

    Process Photo 4a - Thinly sliced carrots, cooked ham, and sweet pickle chips are added to the potatoes and onions.
    Process Photo 4b - The dressing is added to the salad.

    Fold in Remaining Ingredients. Gently fold in the carrots, ham, and sweet pickle chips. After everything is well distributed through the salad add the Japanese mayonnaise.

    The potato salad is completely mixed and ready to be covered and refrigerated.

    Chill Well. For the best-tasting potato salad, cover the bowl with plastic wrap or transfer the salad to an airtight container and refrigerate until the salad is well chilled. Serve and Enjoy!

    A bowl of potato salad with onions, ham, carrots, and sweet pickles.

    My Top Tip

    A Japanese mandoline slicer with a plastic box and various interchangeable blades.

    ♡ I recommend a Japanese mandolin to thinly slice the carrots and the onion. To safely use this kitchen tool, please use the guard and a cut-resistant kitchen glove. This tool saves time and is a great investment. I've had my "Mini Wonder" for than 40 years and it still cuts great.

    Substitutions & Variations

    • Substitute Japanese Mayonnaise. If you want a more authentic flavor in the dressing you can substitute Kewpie Japanese Mayonnaise for the dressing.
    • Substitute Sweet Gherkins. Slice some sweet gherkins for a smaller pickle or make my Quick Pickled Cucumber and omit the lemon.
    • Shred the Carrots. Instead of slicing the carrots, you can grate them with a box grater.

    Make-Ahead & Storage

    • Make-Ahead: This potato salad is even better when made ahead of time. For the best flavor, prepare it in the morning or a day in advance of serving.
    • Storage: You can store this potato salad in an airtight container in the refrigerator for up to 5 days. Do not freeze.
    A bowl of potato salad with onions, ham, carrots, and sweet pickles.

    More Delicious Potato Salads

    • A serving of Classic Potato Salad on a white plate with a fork.
      Classic Potato Salad
    • A German Potato Salad of sliced potatoes, green onions, and bacon bits dressed in a sweet and sour warm dressing in a black bowl.
      German Potato Salad
    • Cooked red potatoes are quartered and dressed with Green Goddess Salad Dressing. The salad is Garnished with two long chives and a sprig of curly parsley.
      Green Goddess Potato Salad

    ♡ Did you love this Midnight Diner Potato Salad? Please leave us a star rating and a comment below!

    📖 Recipe

    A bowl of potato salad with onions, ham, carrots, and sweet pickles.

    Midnight Diner Potato Salad

    5 from 3 votes
    By: Jan Nunes
    Midnight Diner Potato Salad is a Japanese twist on the classic American potato salad, featuring ham, carrots, onions, and sweet pickles.
    Print Share Pin Email
    Prep Time ~ 20 minutes minutes
    Cook Time ~ 25 minutes minutes
    Total Time ~ 45 minutes minutes
    Servings ~ 8 Servings
    Calories ~ 233kcal
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    Ingredients
     

    • 3 Pounds Large Potatoes, Gold, White, or Russet
    • ½ Cup Yellow Onions, Thinly Sliced
    • ½ Cup Carrots, Thinly Sliced and Blanched
    • ½ Cup Honey Ham, Thinly Sliced and Cut into Small Squares
    • ½ Cup Sweet Pickle Chips

    Japanese Mayonnaise

    • 1 ½ Cups Miracle Whip Salad Dressing
    • 1 ½ Tablespoons White Granulated Sugar
    • 3 Tablespoons Rice Vinegar

    Instructions
     

    • Cook the Potatoes. Scrub the potatoes well. Remove a thin strip of the peel and place them in a large pot. Cover with water and bring to a rapid boil over high heat. Reduce to a simmer and cook until the potatoes are tender.
      Drain the potatoes and while they are still hot, peel them by rubbing the potato skin off with a clean kitchen towel. Place the peeled potatoes into a large bowl.
      3 Pounds Large Potatoes
    • Add the Onion. While the potatoes are still hot, break them up roughly with a large fork or wooden spoon leaving large chunks. Fold in the sliced onions. The heat of the hot potatoes will soften the onions. Allow the potatoes and onions to cool completely.
      ½ Cup Yellow Onions
    • Make the Japanese Mayonnaise. While the potatoes cool, in a medium bowl whisk together Miracle Whip Salad Dressing, white sugar, and the rice vinegar.
      1 ½ Cups Miracle Whip Salad Dressing, 1 ½ Tablespoons White Granulated Sugar, 3 Tablespoons Rice Vinegar
    • Fold in Remaining Ingredients. Gently fold in the carrots, ham, and sweet pickle chips. After everything is well distributed through the salad add the Japanese mayonnaise.
      ½ Cup Carrots, ½ Cup Sweet Pickle Chips, ½ Cup Honey Ham
    • Chill Well. For the best-tasting potato salad cover the bowl with plastic wrap or transfer the salad to an airtight container and refrigerate until the salad is well chilled.
      Serve and Enjoy!

    Notes

    I recommend a Japanese mandolin to thinly slice the carrots and onion. To safely use this kitchen tool, please use the guard and a cut-resistant kitchen glove. This tool saves time and is a great investment. I've had my "Mini Wonder" for for than 40 years and it still cuts great.
    For the best flavor make it in the morning or a day before serving. You can store this potato salad in an airtight container in the refrigerator for up to 5 days. Do not freeze.
    Original Recipe from the Television Program "Midnight Diner", Season 1, Episode 4 and Adapted by Jan Nunes, Encharted Cook. Please note that episode 4 contains an adult theme.

    Nutrition

    Calories: 233kcal | Carbohydrates: 43g | Protein: 7g | Fat: 4g | Saturated Fat: 1g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 1g | Cholesterol: 13mg | Sodium: 612mg | Potassium: 832mg | Fiber: 5g | Sugar: 11g | Vitamin A: 1446IU | Vitamin C: 35mg | Calcium: 35mg | Iron: 2mg

    Per 1 serving. All nutritional information on this site is an estimate. Your results may vary.

    Encharted Cook™ or Jan Nunes shall not be liable for adverse reactions or any other outcome resulting from the use of recipes or recommendations on this website or actions you take as a result.

    © 2018-2025 Encharted Cook, Jan Nunes. All rights reserved.

    Course: Salad
    Cuisine: Japanese

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    About Jan Nunes

    Jan is the creator and owner of Encharted Cook. Her cooking and baking journey began more than 50 years ago and she specializes in showing how recipes and ingredients can work together and why. At Encharted Cook you can rely on proven recipes and take your cooking and baking up to the next level.

    Comments

      5 from 3 votes (1 rating without comment)

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    1. Kathy B says

      May 23, 2024 at 3:45 am

      I love the back stories that accompany the recipes. Thank you for always sharing.

      Reply
      • Jan Nunes says

        May 23, 2024 at 11:16 am

        Hi Kathy,
        You know, when I started EC, I always included a back story and it usually was personal. It's nice to know that it is appreciated.
        Thank you!... and I hope you have a wonderful day! ~Jan

        Reply
    2. Kathy says

      May 23, 2024 at 3:43 am

      Different and delicious! Surprise your guest with this version next time you're serving potato salad

      Reply
      • Jan Nunes says

        May 23, 2024 at 11:12 am

        Hi Kathy,
        When I was working out this recipe, my husband and I had it every week for a couple of months and we never got tired of it.😊
        Have a wonderful day! ~Jan

        Reply
    Jan Nunes

    Hey There!

    Welcome to Encharted Cook! I'm Jan, a seasoned cook with recipe charts, pro tips, and ideas to help you make delicious dinners. Over the years I've learned that many recipes are related... and if you learn to make one delicious dish, you can make many more!

    more about Jan

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