1. Use raw noodles for braised noodles.

2. Put the flour into a bowl, add a little salt and add cold water. Use cold water to simmer the noodles to make them more chewy.

3. Knead into a harder dough, because if it is too soft, the dough will stick easily. Spread a layer of flour on the cutting board and put the dough on it.

4. Sprinkle dry flour while rolling the dough, roll it into a thin sheet, and fold it. In this step, be sure to sprinkle dry flour while folding and cut into thinner noodles.

5. Sprinkle dry flour and spread the noodles with your hands. At this time, prepare the dishes.

6. Tear off the old tendons from the beans and wash two tomatoes.

7. Peel the garlic, cut one into thin slices and the other into mince. Put the minced one into a bowl and add a little salt.

8. Pour oil into the pot, add peppercorns and garlic slices and saute until fragrant, add green beans and stir-fry, add 1 bowl of water.

9. Cut into tomatoes. Cook slowly over low heat, put salt and minced garlic into a bowl, pour a little sesame oil and vinegar, mix well, when the beans are cooked until soft, add salt.

10. Add light soy sauce and mix thoroughly, then sprinkle in the rolled noodles.

11. Cover the pot and simmer on low heat for 10 minutes. After the noodles are cooked, pour in the prepared vinegar, stir evenly, turn off the heat, cover the pot and simmer for a while.