Cooking Steps

1. 

   Step1:Mix butter, sugar and salt. Beat the ingredients with an electric egg beate

2. 

   Step2:Add crushed yolk to step 1 and stir wel

3. 

   Step3:Add low gluten flour and cornstarch to step 2. Stir until it is even and dr

4. 

   Step4:After gently grasping the materials into a ball, divide them into 15 equal parts, and then gently rub them into a ball

5. 

   Step5:Arrange the balls on the baking tray. Press out a small hole with your finger

6. 

   Step6:Place in a preheated oven at 170 degrees. Bake until golden on the edge (about 1518 minutes