1. Take out the butter in advance and cut into small pieces to soften it in a basin, add powdered sugar, and beat with an electric whisk at low speed and then at medium speed.
2. Add the whole egg liquid in 3 times, whipping evenly each time before adding the next time
3. Whip until the butter is fluffy and the color becomes lighter, add the sifted cookie powder, cocoa powder, baking powder, and baking powder
4. Use a spatula to cut and mix the flour and butter into a uniform dough. No dry powder can be seen
5. Add 70 grams of chocolate beans and mix into a uniform dough
6. Rub into long strips and cut into 15g pieces with a scraper
7. Knead the cut dough into a circle
8. Put the remaining chocolate beans in a small plate, put into a round dough, make the surface evenly stick the chocolate beans
9. At this time, the oven is preheated at 180 degrees, flatten the ball by hand and put it in the baking tray
10. Put the baking pan in the preheated oven, middle level, 180 degrees, up and down, 25 minutes, simmer for two minutes after the end
11. After taking it out, let it cool in the air, keep it sealed, and eat as soon as possible
Tips:The temperature of my oven is low, so I need to adjust it according to my own oven.