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Updated: Mar 22, 2022

I don’t know if I can call this recipe a Japanese dressing... BUT, this is something that I often make when tomato season begins.

It’s based on mustard and vinegar but I add in a splash of soy sauce for a nice umami kick! It is very refreshing and whipped up in 2 minutes!

All the ingredients should be widely available in any country, so please give it a shot!

I realize I have been posting more than 5 different kinds of dressing recipes!

Should I make a video about them?? Right now is such a lovely salad season if you are living in the northern hemisphere. If you are living on the other side of the globe, I have soup and curry recipes too!! Haha.

Enjoy and have a lovely day!!



▶Vegetarian / Gluten free / Vegan(See Miwa's tip for vegan modification)

<Yield> 2 servings

<Cook time> 0 minutes


1-2 large tomatoes

¼ onion


2 tablespoons wine vinegar

2 tablespoons olive oil

1 tablespoon grainy mustard/dijon mustard

1 teaspoon honey

1 teaspoon Soy sauce

<Optional toppings>

fresh basil

black pepper


1. Slice the onion thinly and soak in water for 5 minutes to remove the pungency.

2. Mix all the dressing ingredients listed above. Slice the tomatoes and place them on a serving plate.

3. Drain the onions and remove the excess moisture. Mix the sliced onions with the dressing. Drizzle the onion-dressing over the sliced tomatoes and garnish with some herbs and black pepper if you want! Now it's ready to be enjoyed!

<Miwa’s tips>

・Wine vinegar is much sweeter than any other kind of vinegar. If you are looking for a substitute, you can use any other vinegar such as apple cider vinegar. Adjust the taste by adding a very small amount of honey if using apple cider vinegar.

・If you are not sensitive to the pungency of onions, skip the water soaking step.

・Other than tomatoes, you can use leafy greens, corn, cucumbers, avocado, beans etc.... Basically the combinations for this dressing recipe are endless!

・If you are looking for gluten free then please use tamari soy sauce instead of regular soy sauce.

・Vegan option→ Swap out the honey for sugar or agave.

<Recommended side dishes>

<Storage time>

Store in an air-tight container in the fridge for up to 1 week.


<Did you try this recipe??>

Let me know by tagging me on Instagram

I love to see your creations!

<MIWA’s recommendations♡>

- First E-cookbooks are now available! I hope this will be helpful and enjoyable in your kitchen^^

-Please check out beautiful Japanese tableware to decorate your table! Use my code MIWA to get 5% off from your purchase!

-If you need very sharp quality knife, I highly recommend this handmade Japanese knife made by 80 years old Japanese maker!


More recipes on my YouTube channel!

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