1, ingredients details: high gluten flour 25g, sugar 40g, salt 3g, chocolate beans 60g, cocoa powder 10g, fresh yeast 3g, butter 20g, water 130g, boiling water 25g

2, ingredients details: the main dough: high gluten flour 200g, cocoa powder 10g, sugar 40g, fresh yeast 3g, salt 3g, butter 20g, chocolate beans 30g, water 130g hot dough: high gluten flour 25g, boiling water 25g, filling: chocolate beans 60g

3, the hot kind of dough in the high gluten flour and boiling water mix well, refrigerated for 12 hours;

4, the main dough in addition to chocolate beans, all the dough mixed to 2min, palm slightly flattened into a thin slice, wrapped in 10g of chocolate beans;

5: Add the hot dough and mix quickly until the gluten is 8 layers;

6: Add the chocolate beans and mix slowly for 3min;

7: Take out the dough and let it rise until it doubles in size;

8: Divide the dough into small balls of 50g and knead them for 20mins;

9: After the dough has finished kneading,

10: Place the balls in the baking pan and place them in the oven, After relaxing,

10, put the dough into a baking tray with the end facing down;

11, put a pot of boiling water in the oven and let it rise for 30min;

12, put it into the Depp oven and bake it for 13mins at 180 degrees.