1. Put all the dough ingredients except the butter into the bread machine and mix for half an hour
2. Add the butter and stir for another half an hour
3. Stir the dough until the film can be pulled out
4. Prove the dough for half an hour
5. Make the noodle insurance when making the noodles, first beat the butter evenly
6. Add sugar and mix well
7. Add the egg liquid in two batches and mix well
8. Add milk powder, salt, cornstarch and mix well
9. Evenly divided into eight small groups
10. Next, make the batter and beat the butter
11. Add sugar and mix well
12. Add egg mixture and mix well
13. Add flour, salt, and mix well
14. The fermented dough is also divided into eight equal parts
15. Press the dough into a pie shape and wrap it with filling
16. Put it in the oven for a second fermentation for 40 minutes
17. Take out the fermented bread and squeeze the batter
18. Heat the oven up and down at 180 degrees for 15-18 minutes
