Douchi (Chinese: 豆豉; pinyin: dòuchǐ) or tochi (also known as fermented black soybeans, Chinese fermented black beans (Chinese: 黑豆豆豉; pinyin: hēidòu dòuchǐ), salted black beans, salty black beans, or just black beans) is a type of fermented and salted black soybean most popular in the cuisine of China, where they are most widely used for making black bean sauce dishes.[1][page needed]