1. Material: high-gluten flour 67g, low-gluten flour 67g, eggs 34g, butter 80g, baking soda 1/4 teaspoon, baking powder 1/4 teaspoon, salt 1/4 teaspoon, brown sugar 30g and powdered sugar 30g.

2, butter diced, softened, add brown sugar and powdered sugar.

3. Beat the egg beater until the sugar melts and the butter is fluffy.

4, add the egg liquid in several times, send it, and add it after all the fusion every time.

5. Sift in flour, salt, baking powder and baking soda.

6. Cut and mix evenly with a scraper until there is no dry powder.

7. Add chocolate beans and mix well.

8. Take about 30 grams of dough and knead it into a cake.

9. Put it in a baking tray, preheat the oven to 180 degrees, and send it in for baking 15-20 minutes.