1. Put the ingredients into a blender and stir. After the flour is agglomerated, add butter and turn it slowly and quickly.
2. after forming a group. Put it in the refrigerator for 30 minutes to relax.
3. Roll out the dough and fold it with flaky shortening.
4. After turning 90 degrees, roll it longitudinally to 60cm length, then fold it in half as shown in the figure, then fold it in half, and relax for 15 minutes.
5. Repeat the operation in the fourth step and "book forming"
6. Roll out the dough and cut it into a triangle with a thickness of 5mmx and a width of 8cmx 15cm.
7. Then roll it up from the wide side, as shown in the picture. I made three chocolate sandwiches. Chocolate melts easily in hot weather, so take it out in cold storage and use it quickly. Otherwise, it will be a little exposed like me, and then wake up for 60 minutes.
8. Wake up and brush 80% of the egg liquid. Then put it in the oven and fire it at 200℃, and then fire it at 190℃.