1. Add yeast powder, baking powder, sugar, warm water to the flour
2. Beaten up
3. Move to the chopping board and knead into a smooth dough
4. Divided into six noodles
5. Cut into thin slices, spread oil, sprinkle with turmeric powder and bitter bean powder, a little salt
6. Roll up from one end
7. Keep the head and cut it in the middle
8. Braided
9. Roll up from one end, with the tail underneath
10. Proof in a pot of warm water until it gets bigger
11. Turn to medium heat and steam for 15 minutes, turn off the heat and open the lid for 3 minutes
