Exercise:

① First, soak the raw materials in clear water for 6-8 hours in summer and 8- 10 hours in winter, whichever is thorough.

2 Grinding soybean milk In the past, there was a special refiner to grind soybean milk with a stone mill, which greatly improved the efficiency. Household soymilk machines have also entered thousands of households, which is very convenient.

(3) Filter the ground soybean milk with gauze to remove bean dregs, and then filter the soybean milk from five grains.

(4) Dilute the filtered soybean milk with water as required, put it in a pot, boil it with strong fire, and then cook it with low fire for about 10 minute, and then it can be drunk. Don't drink soy milk until it is cooked thoroughly.