
Step1:Butter softens. It can be pressed down at normal temperature. Don't melt i

Step2:Until soft and fluffy, whisk with sugar. Add egg yolk and beat wel

Step3:Cell phone failur

Step4:Knead it to three lights and wrap it in refrigerator for half an hour. It's not frozen.

Step5:Bake at 140 ℃ for 15 minute
Cooking tips:There are skills in making delicious dishes.