How to make moldy bean dregs: 1. 1 part of tofu dregs, add about 2 times of water, add a small amount of yellow slurry water for making tofu, stir into a paste, leave it at room temperature until water appears on the surface of the bean dregs paste, pour Remove excess moisture. 2. Put the cleared bean dregs into a sack and squeeze out the excess water. 3. Steam the pressed bean dregs. After the water in the bottom pot boils, rub the bean dregs into pieces, pour it loosely on the cooking grate, cover it, and steam the ingredients over high heat. Steam for another 20 minutes, until the aroma of hot beans comes out. 4. Take the steamed bean dregs out of the pot, bag them and press them again to squeeze out the excess water. 5. Place the pressed bean dregs on a clean bamboo mat and spread it out to dry to room temperature. Place the agglomerated bean dregs in a sieve and sieve them loosely. Sprinkle the sifted bean dregs evenly into the stacked modules and manually press them to a thickness using a long wooden ruler. A square of about 1cm will do.