1, Chinese cabbage, vermicelli, tofu; Onion, ginger, dried pepper, egg, soy sauce, cooking wine, soy sauce, salt, thirteen spices, chicken essence. Put pure sweet potato vermicelli into a pot, pour some hot water and soak until it becomes soft.

2. Break off a few leaves of Chinese cabbage, wash them with clear water, separate them, pat them with a knife, cut them with an oblique knife, and tear them into pieces for later use.

3. Cut the old tofu into pieces, cut the onion into sections, shred the ginger, cut the dried pepper into two small pieces, beat five eggs in a bowl and break them up with chopsticks.

4, pork cold water pot, pour a small amount of cooking wine, add ginger slices, cook and remove to cool.

5. Pour the oil into the pot, pour the egg liquid after the oil is hot, fry it slowly with low fire, fry until the egg liquid is solidified, turn it over, put it on the chopping board after frying, then cut it with a diagonal knife and put it on the plate for later use.

6. After the pork is cooled, make a few holes in one side of the pigskin, pour a proper amount of soy sauce for coloring, spread it evenly, burn oil in the pot, add the pork after the oil is hot, fry it slowly with a small fire, use chopsticks to turn the oil less, and prevent oil splashing when frying. You can block it with a lid, fry it until the pigskin is taken out and cooled, and then cut it into pieces for later use.

7. Pour oil into the pot, add star anise and cinnamon leaves, fry until cooked, take out, add onion, ginger and dried pepper, stir fry evenly, add pork, stir fry, add cabbage leaves, stir fry a few times, add a spoonful of soy sauce, pour in a proper amount of soy sauce, and pour in a proper amount of water after stir fry.

8. Add tofu after the water boils, the color is too light. Add some soy sauce to color. Stew on medium heat 15 minutes or so. After stewing, add egg pieces and vermicelli, stir well, then season, add two spoonfuls of salt, half a spoonful of chicken essence and half a spoonful of thirteen spices, stir well, and continue cooking for about 5 minutes. Pure sweet potato vermicelli is cooked very well and can be served when it is transparent.