1. Add flour, pumpkin paste and dough. Cover with plastic wrap and ferment in warm place to twice the size.
2. Then divide it into ten pieces, knead them into round balls, and let them go for ten minutes.
3. Take a piece and press it flat. Roll it into the thickness of the foreskin. The thickness inside and outside should be even. Then brush a thin layer of oil and fold it in half.
4. Brush oil again and fold it in half, then cut a knife as shown in the figure, roll it up, and fold it up in the middle.
5. Put the cold water into the pot, heat it for 20 minutes, steam it for 20 minutes after boiling. Turn off the heat for 5 minutes.