A piece of hard tofu, cut into 2 cm square pieces, and blanched in a boiling water pot for 30 seconds. Take it out to dry, and try to control the water. Put it in a clean lunch box at room temperature (do not seal it) until the tofu is fluffy. Control the moisture, and then add salt, pepper noodles, Jiang Mo, Chili powder and sesame oil. Pay attention to put more salt. Put it in a semi-sealed state in the refrigerator for about 2 weeks. You can take it out and taste it at any time, and put seasoning according to your personal taste. If you want to eat, have a try.
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