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1. Select soybeans without impurities, put them in the pot and stir-fry until the surface is slightly yellow
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2. Put it in clean water and rinse it several times and soak for 3-5 hours
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3. Control the water and mix it with an appropriate amount of dry noodles, try to coat all the beans with flour
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4. Put the dough into a dough and steam it in the pot
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5. After cooling down, put it in an oil-free and water-free cloth bag. Wrap the clean old clothes and leave for 3-5 days until white hairy material grows on the surface. (Remember to take a look in time for two or three days. After a long time, the surface will be moldy, so you can't eat it)
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6. Add an appropriate amount of cold boiled water to salt and stir, then break the covered dough and stir evenly with the spiced noodles and chili noodles (the amount of water is related to the thickness of the noodle sauce, more or less does not matter)
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7. After mixing it evenly, place it in a place where it can be exposed to direct sunlight for 10-15 days. (Worry about flies, use plastic wrap, generally not recommended, if you have glass or gauze, it’s best) Turn it over two to three times a day Over and over, try to get all the sauces in the sun as much as possible. After the sun has finished, it is used for cooking and beef sauce. Remember to put it in the refrigerator after suning. The finished product has a darker color and a salty and spicy taste.
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Tips:You can add more salt. Chili noodles and five-spice powder are ok according to your own taste. You can also add an appropriate amount of ground ginger. Check the weather forecast before preparing the sauce. Make sure that there is no continuous rain for 5-7 days at least.
