1. Add flour to water
2. Knead the dough and cover with plastic wrap to wake up for 30 minutes
3. Add minced garlic, spicy oil, vinegar, soy sauce and salt to the bowl and mix well
4. After the dough wakes up, knead it and roll it into a thin cake
5. Sprinkle more dry flour on the surface, fold both sides toward the middle, then sprinkle some dry flour, fold in half
6. Cut into wide dough slices
7. Boil water in a pot, add the dough after the water is boiled
8. When the noodles are almost cooked, add lettuce leaves and blanch them, remove them to cool, and mix with the sauce.
