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Shhh, secret recipe inside – make your own Kewpie mayonnaise

Finally the secret Kewpie Mayonnaise can be made at home!

4w ago
Homemade Kewpie Mayonnaise

Can’t get enough of this delicious goodness, I have got you covered!

Prep time10min
Cook time15min
Total time25min
MealEvery meal


  • 2 tablespoons rice vinegar
  • 1 tablespoon plus 1 teaspoon malt vinegar
  • 1 teaspoon salt
  • 1/2 teaspoon MSG powder
  • 1/2 teaspoon Japanese mustard powder
  • 1/8 teaspoon hon-dashi powder (optional but needed for authentic flavour)
  • 1/8 teaspoon garlic powder
  • 2 large egg yolks
  • 1 cup vegetable oil


New School Method

  1. In a small bowl, whisk together rice vinegar, malt vinegar, salt, MSG, mustard powder, hon-dashi powder, and garlic powder until hon-dashi is completely dissolved.
  2. Place vinegar mixture in the bowl of a food processor fitted with a steel blade along with the egg yolks. Pulse to combine.
  3. With the motor running, slowly drizzle in vegetable oil in a thin, steady stream.
  4. Transfer mayonnaise to an airtight container and store in refrigerator for up to two weeks.

Go Old School

  1. Optionally if you are a purist like me, follow the same steps, but use a medium size bowl, a whisk, and some old fashion elbow grease.

Recipe Notes

This is the minimum amount you can make at once, but I’m sure you will want to double it :) Can’t find Hon-Dashi powder, you can use any dashi stock, or make your own.

Recipe by

Chef Simonetta

Have you tried this recipe? Share your photos & thoughts in the comments below

I have worked on this for a while, and have finally cracked the recipe as close as the real thing as possible.

After hours of testing, the secret to this recipe is the Hon-Dashi stock powder and powdered MSG. This is what truly makes this mayonnaise special, as MSG (Monosodium Glutamate) makes everything taste better, enhancing the Umami flavour.

MSG caught a bad rap back in the 80s with the whole asthma and allergies stuff all coming from a Doctor who caught a dodgy case of food poisoning… nowadays MSG is added to so many foods you have daily and would not even realise.

Did you know MSG is in Tomatoes, Parmesan Cheese, Seaweed, Truffles and more…?

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