Material preparation: Oncomelania hupensis, pork bone, yuba, Chili powder, green vegetables, dried red dates, dried rice noodles, snails, 30g edible oil, ginger, star anise, licorice, fragrant leaves, peppers, sour bamboo shoots, soy sauce, red oil, peanuts, sour beans, fungus and balsamic vinegar.

1. Prepare ingredients: cut off the tail of the sand-free snail with pliers/scissors, wash and drain it for later use, and chop the pig bones into small pieces; Cut yuba into small pieces; Put the Chili powder into a small bowl; Wash green vegetables and dried red dates; Soak dried rice noodles in warm water at 50°C for 2-5 hours.

2, big bones, dried red dates, put into the pressure cooker, put cold water (about 2000 grams) over the bones, boil, skim the floating foam, do not cover, keep a small fire.

3. At the same time, heat another wok (non-stick wok is not allowed), add snail to stir-fry dry water, and then add 30 grams of edible oil, ginger slices, star anise, licorice, fragrant leaves, dried pepper and sour bamboo shoots for 2 minutes; Pour the fried snails into the hot bone soup, cover it, and after the pressure stop valve rises, turn to low heat and stew together for about 40 minutes to form the soup head of snail powder; If boiled in an ordinary pot, the water is more than 1.5 ~ 2 times. Boil for 2 ~ 3 hours.

4. You can put some salt in the cooked broth, and more importantly, add sauce to keep warm for later use.

5. Make side dishes when stewing, red oil: put cooking oil in the pot, and stir-fry peanuts in cold oil for later use; While it is hot, fry the yuba in a small fire until it is crisp for use; Cool the oil for about 1 min, first scoop a spoonful of Chili powder, then slowly stir and pour it into a Chili powder bowl to cool; Stir-fried sour bamboo shoots, sour beans and fungus in advance with some red oil.

6. Boil the water in the pot and cook the soaked rice noodles and vegetables. When rice noodles are cooked enough to take off chopsticks, try to find the right taste, take them out and put them in a big bowl.

7. Pour in snail soup, add balsamic vinegar, sprinkle with peanuts, add sour bamboo shoots, stir-fry yuba, cooked fungus and pour red oil.