Cooking Steps

1. 

   Step1:Prepare ingredient

2. 

   Step2:Butter softening (not melting) can refer to picture effec

3. 

   Step3:Butter and sugar to white

4. 

   Step4:Add the egg and stir wel

5. 

   Step5:Sift in low gluten flou

6. 

   Step6:Sift in purple potato powde

7. 

   Step7:Squeeze into a baking tray with a flower mounting ba

8. 

   Step8:Preheat the oven in advance. Put it in the oven and heat it up and down for about 180 ° for 18 minutes.

9. 

   Step9:Temperature and time can be adjusted according to personal ove

10. 

    Step10:Out of the oven. I roasted a little bit more. But it tastes good. It's crispy outside and tender inside.