Cooking Steps

1. 

   Step1:Soften butter at room temperature. Add sugar powder. Beat with electric beater.

2. 

   Step2:Just white the butter.

3. 

   Step3:Add the yolk. Continue to beat well.

4. 

   Step4:It's a big good situation.

5. 

   Step5:Add low gluten flour and black tea powder. Stir well with a silica gel spatula.

6. 

   Step6:Roll it up with oil paper to form a cylinder. Put it in the freezer for 1 hour and take it out.

7. 

   Step7:Cut it into 3mm thick slices. Put it on the baking tray.

8. 

   Step8:Preheat the oven to 180 degrees. Bake in the middle for 15 minutes.

9. 

   Step9:It's out.