Preparation materials: 300g all-purpose flour, 150g warm water, appropriate amount of soybean oil, appropriate amount of lard.

1. Mix flour and water into a smooth and slightly soft dough. Set aside, cover the basin, and let rise for 20 minutes.

2. Prepare an appropriate amount of soybean oil and slightly more lard.

3. Stir until the lard melts and becomes even.

4. Apply a layer of mixed pastry on the chopping board, place the risen dough on it and roll it into a square shape.

5. Use your hands to stretch the dough into a rectangular shape to make the dough thin.

6. Apply a layer of pastry.

7. Use a knife to draw horizontal strips without cutting off both ends.

8. Roll up from bottom to top and stretch to make the thickness uniform.

9. Start to roll up one end and make it into a round cake shape.

10. Roll into pancakes.

11. Preheat the electric baking pan, put in the rolled cake, and spread the remaining pastry on the surface of the cake.

12. After one side is colored, turn the cake over and fry the other side. Fry until golden brown.