2. Knead the materials except butter into smooth dough, then add butter and knead until the film comes out. The basic fermentation is 2.5 times larger.
3. Waste gas is divided into 8 parts and rolled for relaxation 15 minutes.
4. Take a portion of dough and roll it into a tongue.
5. After turning it over, fold both sides to the middle.
6. Roll it up from top to bottom and cut it from the middle.
7. Put it in a square mold.
8. Finally ferment for about 40 minutes.
9. Brush the egg mixture (1: 1), sprinkle with black sesame seeds, put in the oven, and heat the middle layer at 180 degrees for 23 minutes. Take it out and brush with honey water (1: 1).