Natto
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Natto is a traditional Japanese food made from whole soybeans that have been fermented with Bacillus subtilis var. natto. It is often served as a breakfast food with rice. It is served with karashi mu
Natto on rice
Natto with sticky, slimy strands caused by fermentation with bacteria
Natto with strands
Natto is usually sold in small containers.
Douchi
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Douchi, also known as doushi, shi, or tochi, is a group of fermentation-processed soybean foods most popular in the cuisine of China. The most common type of douchi, made from salted black soybeans an
Natto
…its unique taste and strong flavor. Before natto, there was a similar dish of fermented black soybeans food in China called shì, chǐ (Chinese: 豉), or douchi (Chinese: 豆豉; pinyin: dòuchǐ). These are salted, fermented and aged whole soybean seasonings or condiments invented in China and spread throughout East…
A close-up of black soybean douchi
Several varieties of douchi and douchi products
Chicken feet dim sum with preserved black beans
Soybean.USDA