1. Weigh the medium dough materials
2. Knead the dough into the refrigerator to ferment for 15 hours
3. Weigh the medium dough materials
4. Tear the fermented medium dough into small pieces
5. Add all ingredients except butter in the main dough
6. Knead into a smooth dough and add softened butter
7. Continue to knead until you can pull out a large piece of film
8. Dark chocolate heat insulation water melts
9. Divide the dough into two equal parts, add one part to the chocolate and knead it into a chocolate dough, and place all in a warm place to continue to ferment for half an hour
10. The fermented dough is ventilated and knead well, relax for 15 minutes, and roll it into an oval shape
11. Chocolate noodles on top of the original noodles
12. Roll it up and put it in a toast box
13. Put it in a warm and humid place and ferment until 80% full
14. Cover the lid and put it in the preheated oven. In the middle layer, heat up and down at 140 degrees for about 45 minutes. After taking it out, put the toast on its side and let it cool.
15. Sliced and eaten, soft~
