Mix butter and powdered sugar evenly with an electric egg beater
Add egg mixture three times and continue mixing evenly
Sift the flour, add in step 2, stir evenly and add black and white sesame
After mixing into a group, wake up for half an hour
Roll the dough into thin slices and press out the cake with a mold
The oven is preheated to 175 degrees, placed in the middle layer and baked for 12 minutes.