1. Put the ingredients into a mixer and mix, when the flour forms a ball add the butter slow to fast.

2. After forming a ball. Place in refrigerator for 30 minutes to relax.

3. Roll out the dough and fold in the flaky shortening.

4. Turn 90 degrees, roll lengthwise to 60cm long, then fold as shown, then fold again, and relax for 15 minutes

5. Repeat step 4, roll out and shape

6. Roll out the dough and cut, 5mm thick x 8cm wide x 15cm triangles

7. Then roll out from the wide side as shown in the photo, and I made 3 chocolate sandwiches. Chocolate is easy to melt in the heat, so refrigerate it and use it quickly. Otherwise, like me so slightly exposed filling, and then wake up for 60 minutes.

8. 80% of the size of the rise to brush the egg wash. Then put into the oven on the top 200, bottom 190 ℃.