2. Oil the chopping board and put a dumpling skin.
Brush a thin layer of oil on the dumpling skin, sprinkle some salt and spread chopped green onion.
4. Cover with the second layer of dumpling skin.
5. Repeat step 3 until about five dumpling wrappers are added.
6. Press the rolling pin horizontally, vertically and slowly to the edge, and finally roll it into thin slices.
7. Add a little oil to the pot, fry slowly on low heat until both sides are slightly yellow, and the middle bulge can be served.