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Founded in 1885, Hayakawa Shoyu Miso is a long-established maker of miso and soy sauce located in Miyakonojo, Miyazaki Prefecture. This location, a part of the Kyushu region in Japan, is renowned for producing and consuming barley miso. The miso masters of Hayakawa Shoyu Miso have dedicated their lives to protecting the flavor and quality of this traditional miso for over a century.
Barley miso is made with simple ingredients — steamed soybeans, salt and inoculated barley or koji, a fungus that kickstarts the fermentation process. While most miso is made with rice, barley miso uses barley as the base ingredient. This barley miso became popular in Kyushu because of the region's unique circumstances. Kyushu's warm climate made it difficult to cultivate rice, so people thought it was wasteful to use expensive rice merely as an ingredient to create miso. Barley miso originated out of necessity, but through generations, it became a significant part of Kyushu's food culture and tradition.
At Hayakawa Shoyu Miso, there's a room where only Miso Masters are allowed entry — the "koji room". Koji is extremely sensitive. A slight difference in the temperature or the amount of moisture and the fermentation will halt or the fungus will die by its heat. It needs to be maintained in just the right environment, which can only be achieved by the Miso Masters with years of knowledge, skills and experience. In this "koji room", the Miso Masters have a keen eye for detail. They know that even the slightest difference will affect the final flavor.
Miso has been a popular side ingredient in the culinary world. But it has the potential to become something even greater when combined with the creativity of chefs around the world. The Miso Masters have dedicated their lives to maintaining the quality and flavor of barley miso for over a century and it is Hayakawa Shoyu Miso's mission to pass on this tradition to future generations with innovative ways of utilizing this wondrous ingredient.
A practical guide to Japanese ingredients — origins, craft, and applications for both home and pro kitchens.
A chef’s guide to miso: Explore the rich world of this umami-packed Japanese ingredient, from traditional styles to new forms, crafted by passionate small producers.
A chef’s guide to miso: Explore the rich world of this umami-packed Japanese ingredient, from traditional styles to new forms, crafted by passionate small producers.