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Step1:Soften butter, add sugar powder and beat until it is bulk

Step2:Add the sifted ripe yolk and stir evenl

Step3:Sift low flour, cornstarch and salt into butter paste. Knead into dough and refrigerate for 1 hour

Step4:Take it out of the refrigerator and knead it into 10g doug

Step5:Put it in the baking tray and press it with your thumb. The edge will crack

Step6:Heat up and down for 165 ℃ and bake in the middle for 15 minute
Cooking tips:There are skills in making delicious dishes.