Step 1

1. Mix and knead all ingredients except surface decoration and black sesame seeds until the film comes out 2. Add black sesame seeds, knead well, roll the dough into a circle, put it in a basin, and ferment for about 1 hour to 2 times the size 3. Move the dough to the worktop, drain the air in the dough, divide it into 6 parts evenly, roll it into a circle, cover with plastic wrap and wake up for 15 minutes 4. Exhaust the 6 doughs in turn, then roll them into a circle, and ferment for a second time for about 1 hour until the dough is twice the size 5. After fermentation is completed, make a knife on each of the 6 doughs, divide 15g of butter into 6 parts, stuff it at the edge of the knife, sprinkle high-gluten flour on the surface, and put it into a preheated oven , 180 degrees, 20 minutes is enough