1. Flour, yeast, baking powder, sugar, appropriate amount of water and make the dough and wake up for ten minutes
2. Put two eggs and one egg yolk in a non-stick pan
3. Add sugar, milk and salt and mix well
4. Sift in low powder and milk powder
5. Stir well
6. Put the butter over the heat and keep stirring over low heat.
7. Boil and let cool for later use
8. Divide the dough into small pieces
9. Roll out the custard filling and wrap it up
10. Round the seal downwards
11. Cross knives
12. Proof in a steamer for 10 minutes, turn to medium heat and steam for 15 minutes
13. Out of the pan.
