Japanese White Sauce

Is this sauce really Japanese? Is this sauce even really white? These are some of life’s tough questions, and I don’t have the answers for you. But, Is this sauce delicious? Yes. I went 29 years eating my teriyaki bowls with only the teriyaki sauce, like a schmuck! Finally, while making a teriyaki family meal at a restaurant I was working in, a fellow friend and cook said he was going to make this mysterious white sauce, and my life has never been the same since.

This not-so-Japanese sidekick sauce is in essence just a heavily seasoned and thinned mayonnaise that is a perfect companion for teriyaki. It goes great on teriyaki meats and/or veggies, but it really shines when everything starts mixing together with the rice or noodles that you are hopefully eating with the dish as well.

Everything in one bowl, mix until smooth
Life Partners

*This recipe calls for several “pinches” as a measurement. When I say “pinch”, I mean a two-finger pinch, thumb, and index finger. It’s not a lot, its just…a pinch.

*I use regular mayonnaise here, but if you happen to have Kewpie Mayo I would recommend using that, and foregoing the MSG, even though let’s be honest, you’re probably already going to forego the MSG.

*I prefer to use tomato paste in a tube because it annoys me to have to save any amount from the small cans. Try it, I think you’ll like it.

*It appears that just about every recipe on the WWW for this type of sauce are all exact copies? and they all use butter. I say skip it, I don’t think you’ll miss it.

Japanese White Sauce

  • Servings: 6oz
  • Print


  • 100g / 1/2c – Mayonnaise (Kewpie if you have it)
  • 2 Pinch – Garlic Powder
  • 1 Pinch – Cayenne Pepper
  • 1 Pinch – White Pepper
  • 1 Pinch – Paprika
  • 1 Pinch – MSG (optional, I guess)
  • 1g / 1/4t – Toasted Sesame Oil
  • 8g / 1t – Tomato Paste
  • 2g / 1/2t – Sugar
  • 5g / 1t – Rice Vinegar
  • 30g / 1/8c – Water


  1. Combine all and whisk until well combined and smooth.
  2. Taste and adjust seasoning to your liking, as pinches are not very accurate.
  3. The sauce will benefit from a 15-20min rest for flavor mingling.

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