Cooking Steps

1. 

   Step1:Butter softens at room temperature. Add sugar and salt. Stir wel

2. 

   Step2:Beat until slightly bulky, lighter and puff

3. 

   Step3:Sift the ripe yolk. Finely grind the yol

4. 

   Step4:Put the sifted yolk in the butter. Beat well

5. 

   Step5:Sift the low flour and cornstarch into the butter. Knead into dough

6. 

   Step6:Wrap the dough in plastic wrap and refrigerate for half an hou

7. 

   Step7:Take out the dough. Take a small piece. Knead it into a small ball

8. 

   Step8:Put the small ball on the baking tray. Press it with your thumb. The biscuit will crack naturally

9. 

   Step9:Preheat the oven. Bake at 170 ℃ for 20 minutes. Turn the edge a little yellow

10. 

    Step10:Taste one. Melt in the mout