Cooking Steps

1. 

   Step1:Soften butter. Add sugar powder and salt. Stir until ligh

2. 

   Step2:Add the sifted cooked yolk (press the yolk down from the small sieve with a spoon and it will be ready soon) and mix evenl

3. 

   Step3:Add starch and flour. Start mixing. Knead into a ball. It will not spread or be too soft. Wrap the ball with plastic wrap and refrigerate for one hour

4. 

   Step4:Take small pieces of frozen dough and knead them into balls and press them on the tray. They will form

5. 

   Step5:Preheat the oven at 170 ℃ for 5 minutes. Then put it into the upper and lower tubes of the tray and bake at 170 ℃ for 1520 minutes