Insider Business: Still Standing

Why Only 1% Of Japan's Soy Sauce Is Made This Way (2022x9)

Air date: May 20, 2022

It can take 4 years to make one batch of barrel-aged soy sauce. The natural fermentation process was the norm in Japan for centuries, but when industrialization swept the nation, almost all the country's wooden barrels were replaced with steel ones. Yasuo Yamamoto is on a mission to revive barrel-making and preserve the authentic version of Japan's staple seasoning