Formula:

Cookies:

Butter: 1 10g

Sugar powder: 80g

Whole egg liquid: 40g

Low gluten flour: 150g

Cocoa powder: 16g

Baking powder: 1g

Chocolate sandwich:

Chocolate: 120g

Cream: 20g

Practice:

1, butter softened, add powdered sugar and stir well. Add the whole egg mixture and stir well. Sift in the low-gluten flour, cocoa powder and baking powder and knead into a ball.

2. Roll into thin slices, refrigerate for 20 minutes, press out the shape with a mold and put it in a baking tray.

3. Preheat the oven and bake at 155 for 20 minutes.

4. Add whipped cream to chocolate, heat and melt it in water, stir it evenly, and put it into a paper bag for later use.

5. Take a biscuit, squeeze it into the chocolate sandwich and cover it with another biscuit.