The ancient method of brewing soy sauce at home

Clear sauce is the clear oil in sauce, which generally refers to undiluted puree soy sauce mixed with additives in soybean sauce, and has a unique sauce flavor. There are other names of ancient soy sauce, such as clear sauce, clear bean sauce, soy sauce, soy sauce, soy sauce, drenched oil, pomelo oil, sun-dried oil, seat oil, hidden oil, autumn oil, mother oil, set oil, double set oil and so on. The name "soy sauce" began in the Song Dynasty. By the 1980s, people in Shandong, Henan, Hebei, Yunnan and Northeast China still called "soy sauce" "clear sauce".