Are You Using REAL and TRADITIONAL Soy Sauce?

Only 1% of soy sauce is produced naturally, brewed in wood barrels.

Are you having real and traditional Japanese soy sauce?

I bet most of your answers are “No” even though you think you are because only 1% of soy sauce in the market is following traditional natural brewing methods using wooden barrels, also known as “Oke”. Isn’t it mad? As a Japanese, it is a very sad fact.


Money-making conventional method VS traditional method that uses the power of nature

Regardless whether organic or conventional, most soy sauce or tamari are brewed in a stainless steel tank where, in most cases, artificial heating is applied for fast fermentation and ageing.
This method enables quicker production, resulting in a bigger yield – a fabulous way to make money, right?


With the Oke barrel, however, it only uses the natural temperature change throughout the year. The temperature, starting in the winter, then spring and to summer, advances the fermentation then ageing afterwards, which results in the whole process taking as long as 1 year or longer to be completed.
This is not efficient at all in making money.

Obviously mass production can offer a more appealing price, and we as consumers tend to reach out to the economical product, if the ingredients look alright.

An Oke barrel used to naturally brew soy sauce or tamari

ONLY 1 “Oke” Barrel Craftsman in entire Japan 

In this way, the Oke barrel culture had shrunk rapidly especially after the WW2, and the manufacturers of those barrels themselves, where as many as 50 houses once existed solely in Osaka, have greatly decreased down to only 1 in whole Japan, and thus the last craftsman …that is why the traditional brewers of seasonings like soy sauce, rice vinegar, miso and Sake come visit him from all over Japan to order new barrels or to get old ones mended.

One of the last traditional Oke barrel factories in Japan

I love using REAL soy sauce and here is why

Of course, I use soy sauce and tamari that are traditionally brewed in wooden barrels both at home and my cooking classes in Sydney.


Gorgeous taste and flavour

Natural brewing methods can produce very unique tastes, flavours and aromas that stainless steel tanks cannot achieve.
Each traditional brewery has its own balance of microorganisms which decides the taste of the house, but it is this wooden keg that lets those tiny microorganisms live and survive.


Want to be part of keeping our tradition / Huge respect for craftman / artisan alive?

As a Japanese, I would love to keep the tradition – ancient people know what’s best for humans. The more I know about Japanese cuisine, the more respect I have for ancient Japanese people. I was shocked when I found out how carefully Japanese cuisine is crafted for the benefit of our health when I wrote Japanese Superfoods Cookbook.



An Oke, the wooden barrel can be used as long as 150 years if mended occasionally, and even after completing its mission, it is degradable into soil.
As mentioned earlier, the production of soy sauce with an Oke barrel won’t require any electricity. So you can say the whole cycle of production is really sustainable.

The traditional method of brewing soy sauce, tamari, rice vinegar and miso – all in a barrel this size!

My confession…

I must admit that I didn’t know about true soy sauce until I started using soy sauce and tamari from Spiral Foods (imported from Muso International), which was about 10 years ago. Even though I was born and lived in Japan until 25 years old, I didn’t learn that soy sauce should be made from WHOLE soy beans (yes, most soy sauce is made from de-fatten soy bean powder -meaning no quality omega 3 rich oil) and brewed in a wooden barrel until the age of 35… goodness! I am happy that I discovered the artisan-brewed soy sauce, and that I am able to tell you all about it and let you taste these in my cooking classes!


Hopefully this blog helps you to use real and traditional soy sauce at home (most Japanese restaurants can’t afford to buy real soy sauce so use at home!)





 Traditional soy sauce that I use in ALL my cooking classes. Traditional soy sauce has a much richer taste than mass produced soy sauce.



Do you know I run a cooking school in Sydney?

Please come and join my healthy Japanese superfoods cooking class in Sydney. We offer vegan, vegetarian, gluten-free cooking classes that are filled with tasty and easy recipes. You will learn not only cooking skills and tips but also how to use Japanese ancient wisdom on a daily basis for your health, energy, and beauty! Don’t be afraid to make it a group event, team building cooking classes, hens party cooking classes and other group classes are available, the more the merrier! Join my cooking class from HERE or leave me an inquiry HERE.

(I also use kuzu in many cooking workshops such as Matcha high tea cooking workshop, Ramen workshop and more but in FOOD AS MEDICINE cooking workshop, I use kuzu a lot! from super easy concoctions to yummy sweets)

You don’t live in Sydney?

Don’t worry, there are two ways to learn Japanese cooking with me.
-Online Course
I run online Japanese cooking courses! but I open the course 3 times a year. So if you want to be notified,  just drop your email address HERE
-Plant Based Cookbook
You can grab my vegan cookbook “Japanese superfoods
If you want to cook more easy and tasty Japanese vegan meals using Japanese superfoods – real key for Japanese health, grab my latest edition Now!

Japanese superfoods cooking _vegan_cookbook


Happy Japanese superfoods cooking xx

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