Cooking Steps

1. 

   Step1:Material preparatio

2. 

   Step2:Soften butter at room temperature. Beat with sugar to a lighter colo

3. 

   Step3:Add the sifted cooked egg yolk. Continue to stir evenl

4. 

   Step4:Add sifted ground flour and cornstarch. Knead into doug

5. 

   Step5:Refrigerate for 1 hou

6. 

   Step6:Take out the frozen dough. Press it into a crackle

7. 

   Step7:Preheat the oven for 10 minutes. 170 °. Bake for 15 minutes and 20 minutes.