1. Cut the meat and put it on the plate,
2. Add the sweet potato flour and evenly soften the sweet potato flour into the meat.
3. Pour peanut oil into the pot and heat it up!
4. Pour in the pork and stir fry until the pork turns white.
5. Add chili sauce
6. Add string beans
7. Add table salt.
8. Add two drops of pepper oil, stir fry until cooked, and serve.
Control the heat of the fried meat, you can make the meat more tender.