Then the filtered powder slurry is poured into a vat, and after overnight precipitation, the white starch sinks to the bottom of the vat, the middle layer is grayish brown black powder, and the upper layer is raw bean juice with grayish green color and thick texture. What sinks into the bottom layer is white starch, the top layer is raw bean juice with a strong gray-green texture, and the top layer is floating foam and clear water. Skim it off.
3 Add wet YEAST to raw bean juice and leave it for 10 for several hours to make it filial.
4. To the raw bean juice, add a little water to the pot to boil, pour in the raw bean juice, and add a handful of corn flour. During the heating process, keep stirring, and the fire will boil. When the bean juice is boiled and overflows the pot, use a small fire to cook and keep warm, and you can drink delicious bean juice at home!