1. Put 250 grams of flour and 3 grams of salt in a bowl, add 70 grams of boiled water and 90 grams of cold water in batches and stir to form dough
2. Knead the noodles on the panel for 1 hour
3. Stir 1 spoon of flour, 2 spoons of hot oil, add 1 spoon of lard to make the shortbread
4. Divide the noodles into three parts
5. Roll one portion into a rectangular shape, spread pastry and sprinkle with chopped green onion
6. Like a fan, fold it up, press it in the middle, and stretch it a bit longer
7. Roll it up from one end and roll it up for 20 minutes
8. Roll the kneaded dough into a pancake
9. Brush oil in the pan, put in the pie crust, and fry until golden on both sides
