Yes, there is soy-free miso available. While traditional miso is made from fermented soybeans, alternatives exist that use different base ingredients.
Here's what you need to know:
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Chickpea Miso: Some companies, like South River Miso Company and Miso Master, produce miso using chickpeas instead of soybeans. This offers a similar umami flavor profile but without soy.
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Adzuki Bean Miso: South River Miso Company also makes miso from adzuki beans, another soy-free option.
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DIY Miso: If you're feeling adventurous and have the time, you can ferment your own miso using ingredients like chickpeas or other beans. Sandor Katz is a well-regarded resource for fermentation techniques. Keep in mind that this process takes approximately a year.
In summary, while traditional miso relies on soy, you can find soy-free miso made from chickpeas and adzuki beans commercially, or you can try making your own using alternative legumes.