Japanese Potato Salad is a staple in Japanese-household’s home-cooking because it’s so easy to make, and uses ingredients everyone usually has at home! It has vegetables, carbs, and protein so it could make a nice little meal on its own, but it is usually used as a side dish. It also makes a great bento box filling!
There are many potato salads out there, but why is this one called “Japanese” Potato Salad and what is so special about it? It is the texture and flavour that really makes this a must try recipe. You can have variety of textures in one salad: a typical potato “hoku hoku” texture, a crunchiness from ingredients like apple and carrot, and a creaminess from Japanese kewpie mayonnaise.
Many potato salad recipes say that waxy potatoes are most suitable for potato salad because they are high in water content therefore it will hold its shape when the cooked potato is tossed with other ingredients. That is the biggest difference I have noticed between regular potato salad and Japanese Potato Salad. Unlike many other potato salads, Japanese Potato Salads are half mashed so the potato should be a starchy or all-rounder variety. That way, when the potato is mixed with Japanese mayonnaise, the mashed part of the cooked potato creates a creamy texture but there is still some “hoku hoku” potato texture left as well.
To achieve that “hoku hoku” texture, it is usually suggested that you boil the whole potato with skin intact… but this way the potatoes take a lot longer to cook. I usually peel and cut them into smaller sizes so they are cooked in a much shorter time. As I explained in Japanese potato croquettes recipe, the next step is to strain the water from the potatoes, put them back in the pot and give them a shake in order to help the moisture in the potato evaporate.
If you’ve seen my other recipes, you may have noticed that I use this mayonnaise a lot in so many different recipes. It can be used in almost anything I think… I even use it in pancakes because it makes them really fluffy and you can’t taste the mayonnaise at all. It’s only Japanese mayonnaise (Kewpie) that works in such a variety of recipes though. Regular mayonnaise has a different flavour and will dramatically change the taste of this recipe and others.
Japanese mayonnaise are made from egg yolks (there are about 4 egg yolks in 450g mayonnaise), vegetable oil, vinegar and salt. It does not contain MSG. If it did, I would not buy and use it. And according to the Kewpie mayonnaise web site, rapeseed and soybean blended oil is used to create the vegetable oil. The company also brew their own vinegar from apple juice and malt. I think this is why Kewpie mayonnaise has such a unique flavour.
My original Japanese Potato Salad was originally published in 2016, and I added ham, sliced cucumber, carrot and onion to add a great pop of colour to the dish. This time though, I did not have any carrots on hand, but I did have an apple. So, I used apple instead. Apple adds both a nice crunchiness and sweetness to the recipe. Another good thing about Japanese Potato Salad is that you can add variety of ingredients. My suggestions for some possible ingredients you could include are apples, chopped egg, raisins, and some people even add green peas if you don’t have cucumber for a little hint of green colour!
Japanese Potato Salad is a dish that tastes great either hot or cold! It tastes so yummy when it’s freshly made and still warm but it’s also yummy to eat the cold leftovers. So you can always make a big batch and eat some while it’s hot, then leave some in the fridge to eat cold later on – which is what we always do in my family. However you choose to eat it, I hope you enjoy it!
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Japanese Potato Salad
- 500 g Potato
- 50 g Onion
- 25 g Carrots or substitute for 50 g apple instead like I did this time
- 25 g Cucumber
- 50 g Ham
- 3 tbs Kewpie mayonnaise
- 1 tbs milk
- Salt and Pepper to taste
- Slice the onion thinly then put them on a plate, cover with cling wrap and microwave for 2 minutes on 500w and set aside.*1
- Repeat step 1 with the carrot, chopped into small pieces (if using). *2
- Peel the potatoes and cut into small chunks. Boil for 10 minutes. Check if the potatoes are cooked by inserting a skewer. If it goes through, the potato is cooked.
- Strain the water from the potatoes, put them back in the pot and shake them around to rough up the outsides a little.
- Mash the potatoes a little, but ensure you leave some potatoes still in shape. *3
- Rip or slice the ham into small pieces and slice the cucumber and carrots/apples thinly.
- Combine mayonnaise and milk.
- Place the mashed potato, onion, carrot/apple, cucumber, and ham into a bowl and add the mayonnaise mixture and mix to combine. *4
- Add salt and pepper to taste then serve.