1. Prepare 450 grams of soybeans and pick out the poor quality soybeans.
2. Add appropriate amount of water and soak the soybeans for two to three hours.
3. Use a soymilk machine with fruit and vegetable mode, or a food processor, add an appropriate amount of soybeans and water at a time, and break the soybeans.
4. Filter the soy milk with filter cloth.
5. This is filtered raw soy milk.
6. This is gluconolactone used for ordering tofu.
7. Boil the raw soy milk and skim off the foam. Stir constantly during the cooking process to prevent sticking to the pan. After boiling, cook for five minutes to allow the raw soy milk to be fully cooked. Turn off the heat and let it sit. For about eight minutes, wait for the temperature of the soy milk to drop to between 80 and 90 degrees, then add 9 grams of gluconolactone that has been dissolved with warm water, stir well, then cover the lid and let it sit for ten minutes, so that the soy milk will Completely solidified.
8. Shake the solidified tofu into a leaky mold, wrap it with cloth, compact it with heavy objects, wait for about five hours, and the tofu will be ready.