Step1:Beat butter, sugar and salt in a blender until white.
Step2:Add milk. Beat well. Then sift in low powder. Pack it in a mounting bag and squeeze it into a circle. Heat 180 degrees. Heat 120 degrees. Preheat and bake for 20 minutes.
Step3:Put the grill to cool and then put it in the box.
Cooking tips:There are skills in making delicious dishes.