A quick disclaimer on this recipe – I lifted nearly all of this from the excellent book Wild Fermentation: The Flavor, Nutrition, and Craft of Live-Culture Foods by Sandor Ellix Katz which I HIGHLY recommend for both beginners and seasoned vets of fermented foods.
How do I make homemade shiro miso? I’ve been threatening for years to write up a proper recipe for miso, so here we go. You are going to learn how to make a deliciously sweet and salty miso called shiromiso (lit. white miso). Shiromiso is the quickest of all the miso ferments, sometimes yielding in just a month. Most of the fermentation process takes place from only the fungus kojikin (麹菌) Aspergillus oryzae (koji), whereas a longer ferment miso is created from both koji and the proliferation of Lactobacilli. Shiromiso is more popular in the Kansai region of Japan. (more…)

