Ingredients: 5 kg of soybeans, 500 g of Chili noodles, 250 g of spiced noodles, 500 g of salt, 500 g of flour and 500 ml of cold boiled water.

The specific manufacturing method is as follows:

1. Choose soybeans without impurities, put them in a pot and stir-fry with low fire until the surface is slightly yellow.

2. Soak in clean water for 3-5 hours after cleaning for several times.

Third, control the water into the right amount of dry noodles and stir, and try to wrap all the beans with flour.

Fourth, put the dough into a pot and steam it.

5. After cooling, put it into an oil-free and water-free cloth bag, and wrap clean old clothes outside for 3-5 days until white-haired substances grow on the surface.

6. Add a proper amount of cold boiled water into salt and stir, then break the covered dough and stir it evenly with spiced noodles and Chili noodles.

Seven, after mixing well, put it in a place where direct sunlight can shine for 10- 15 days.