How to make bean paste and how to cover beans.

1. Soak soybeans: choose clean and high-quality soybeans and soak them in clear water for 3 to 4 hours until the soybeans are fully expanded.

2, boiled soybeans: soaked soybeans are cooked according to the traditional practice, in fact, the steaming method is better, because the steamed soybeans have less water, and the humidity is just right in the later operation, so it does not need to be dried or sticky.

3. Mix in the flour: prepare a proper amount of flour in advance and stir-fry. After the steamed soybeans are taken out and cooled, they are evenly sprinkled with flour and stirred evenly, so that each soybean can be wrapped with a layer of fried flour. The step of spreading flour is also essential, because flour can provide good nutrition for the growth of Mucor.

4. Soybean: The key to the success of soybean is to provide suitable temperature and humidity for the growth of Mucor, and the humidity should be moist to the touch but not sticky to hands. Spread some clean newspapers on the insulation material, then spread clean white paper or kraft paper on it, then spread the soybeans mixed with flour on the paper, and then cover the soybeans with clean white paper or kraft paper. Finally, cover the whole box with a broken quilt or cotton-padded jacket.