1. Prepare the ingredients: Soak some sweet potato flour in warm water for a while.
2. Wash the tomatoes and cut into pieces for later use.
3. Wash the green onions and cut into sections for later use.
4. Beat eggs, add appropriate amount of salt and cooking wine and mix thoroughly for later use.
5. Pour an appropriate amount of peanut oil in a hot pan, fry the egg liquid until it is solidified, and set aside.
6. Pour a little peanut oil into the pot, add green onions and stir fragrant.
7. Add the tomatoes and stir fry for a while until tender.
8. Remove the soaked vermicelli and set aside.
9. Add appropriate amount of hot water to the pot and bring to a boil, add the soaked vermicelli and cook for ten minutes.
10. When the vermicelli is cooked, add the fried egg, add salt and chopped green onion.
11. Add a little oyster sauce to taste.
12. Take it out of the pot, put it in a bowl, and get the finished product.
13. Finished product.
