Cooking Steps

1. 

   Step1:Prepare ingredients. Soften butter with water, add sugar powder and beat until white. Add crushed egg yolk and salt and mix well.

2. 

   Step2:Mix the low flour and starch, sift them and add them into step 1. Mix well and form dough. Refrigerate for about 20 minutes.

3. 

   Step3:Rub the surface into a ball. Press it with your thumb.

4. 

   Step4:Preheat the oven at 170 ° C. bake for 17 minutes.