1, soaked in beans and ground. Generally, the weight ratio of water to beans is 7: 1, and half a catty of beans can use1750g of water;

2, killing the bubble. Without defoaming agent, a little salad oil can be used instead;

3. Boil the pulp. The optimum temperature is about 95 degrees Celsius. In actual operation, it is generally boiled, and it is not necessary to boil for 3 minutes;

4. Paste application: stir a proper amount of gypsum or lactone with a small amount of water (the coagulant can be purchased from the shelf, and the dosage will be indicated on the package. Generally, the amount of gypsum powder is three thousandths to five thousandths of the amount of soybean milk, and the amount of lactone is one thousandth to two thousandths) and put it in a container filled with tofu. It takes about 85 degrees Celsius for cooked soybean milk to be made into lactone tofu while it is hot, and it takes about 95 degrees Celsius for gypsum tofu. If you feel that soybean milk and coagulant are not fully mixed, please use it immediately after washing.

5. Braised brain: After the pulp is cooked, cover the container and let it stand for 10 minute, which will become a delicious tofu brain.