1. Soak the soybeans for 12 hours in advance;
2. Pour into the food processor to make soy milk;
3. Filter the soy milk with a cotton bag;
4. Pour into the pot and cook;
5. Turn off the heat, pour out and let cool to 80 degrees;
6. The internal fat is dissolved in warm water;
7. Pour in the internal fat water and stir evenly;
8. Cover the lid and let it stand for half an hour to solidify.
