1. Brush the surface of the salted egg yolk with cooking oil.
2. Preheat the oven at 180 degrees and bake for 10 minutes, and then take out the crushed ones as finely as possible.
3. Add sugar and salt to the flour and pour in water.
4. Pour in corn oil and salted egg yolk, and form a dough.
5. Place the dough on greased paper and roll it into thin slices.
6. Fold it 5 times from one fifth of one end to the other.
7. Roll into thin slices again and cut into long strips.
8. Put it in a baking tray, preheat the oven to 170 degrees, and bake for 20 minutes.
