1. Put all the main ingredients in the bread machine except the butter
2. After the dough is smoothed, add butter
3. Continue to mix the dough to the expansion stage
4. Let the dough rise in the bread machine to 2.5 times its size
5. Divide the dough into 4 equal parts, let loose for 20 minutes
6. Squeeze each portion of dough into slices again
7. Roll up the dough
8. Put the dough in the oval mold
9. Ferment in a warm and humid place
10. Fermented to 1.5 times the size, which is slightly higher than the mold
11. Swipe the egg liquid on the upper surface while the dough, sprinkle the bread crumbs
12. Put the baking tray in the oven at 180 degrees and bake for about 20 minutes
13. Let out and let cool, cut a knife in the middle of the bread, the depth is enough to put the char siu cubes
14. Put a piece of char siew about the length of the bread in the crack of the bread
15. Put cucumber slices next to the barbecued pork, and finally squeeze some honeyed barbecued pork sauce, and you’re done
