1. Raw material processing. Take 5 kilograms of soybeans, shelled and sieved, washed and put into the water tank to soak, soak 4 to 5 hours in winter, 2.5 to 3 hours in summer. Soaking time must be mastered, not too long, or lose the pulp head, do not make tofu.

250 grams of raw red gypsum (20 to 30 grams of gypsum per kilogram of soybeans) into the fire roasting, which is a key process, the degree of gypsum roasting must be mastered (to gently break the gypsum with a hammer to see the heart of its just burned can be). Gypsum burned too raw, not good; too cooked not only do not make tofu, soybean milk and stinky chicken shit flavor.

2. Grinding beans and filtering milk. Soybeans soaked, fish out, 6 kilograms of water per kilogram of soybeans proportion of grinding, with a bag (tofu cloth sewn) will be ground out of the slurry loaded, pinch the mouth of the bag, and squeeze the soybean milk out of the force. Soybean milk squeezed, may open the mouth of the bag, and then add 3 kilograms of water, mix well, continue to squeeze a pulp. General 10 kilograms of soybeans out of 15 kilograms of dregs, 60 kilograms of soybean milk or so. When squeezing pulp, do not let the tofu dregs mixed into the soybean milk.

3. Cooking pulp point pulp. Squeeze out of the raw pulp poured into the pot to boil, do not have to cover the lid, while cooking and skimming the surface of the foam. The fire should be big, but not too fierce, to prevent the soybean milk boiling over. Soybean milk cooked to the temperature of 90 ~ 110 ℃ can be. The temperature is not enough or too long, all affect the quality of soybean milk.

Burned gypsum crushed into powder, with a bowl of water (about 0.5 kilograms) into gypsum slurry, washed into the soybean milk just scooped out of the pot, gently stirred with a spoon, a few minutes later, soybean milk coagulation into tofu flower.

4. Make watery tofu. Tofu flower coagulation about 15 minutes, with a spoon gently scooped into the cloth has been laid in the wooden tray pot (or other containers), full, with the cloth will be wrapped up in tofu flower, cover the board, pressure 10 to 20 minutes, that is, into the water tofu.

5. Make dried tofu. Scoop the tofu flower into the wooden bracket basin, wrapped in cloth, covered with a wooden board, piled up on the stone, pressed the water, that is, into dried tofu. General 10 kilograms of soybeans can make 25 kilograms of dried tofu.