Anything I’m Fermenting

April 21, 2008

Soy Sauce Part 1: Moldy Soy Patties

Filed under: Soy Sauce — iwouldntlivethere @ 10:30 pm
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As per the instructions given by ‘canucklehead’ on eGullet’s forum, here is how I have made soy sauce at home:

Step 1: Soak 500 g dry soy beans overnight

Step 2: Boil soy beans until soft and crumbly

Step 3: Coarsley chop in food processor and mix with 300 g (whole wheat in my case) flour. I used whole wheat as it is less processed than white flour, meaning it likely has a greater diversity of microorganisms surviving in it.

Step 4: Form bean/flour mix into a loaf and slice into patties about 1 cm in thickness

Step 5: Lay out ‘soy patties’, cover with damp paper towels, and loosely wrap in cling wrap.

Step 6: Monitor patties, dampening towels as needed. Let sit for 5 – 10 days, until well covered by mold. In my case, the patties did not appear to be doing much for several days, but began to smell like my salt-risen bread starter (Clostridium bacteria). Then over two days the patties became completely covered in various molds:

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