Cooking Steps

1. 

   Step1:The butter is softened and then slightly whipped. When it is a little white, it is put in sugar powder twice. Stir evenly until the two are completely integrated. Put in egg yolk twice. When the butter is whipped, the volume becomes larger and the color turns white. When the butter is mixed evenly twice, it is put in the remaining milk and whipped until it is fluff

2. 

   Step2:Sift the low powder once in advance. Sift in 1 / 3 of the powder, cut and mix evenly. Then pour in the remaining low powder. Cut and mix evenly. Pour in the chocolate bean. Stir evenly. . shape to long strip shape. Put it in fresh bag and refrigerate for more than half an hour. Remove. Slice and place in a baking pan. Bake at 150 ℃ for 20 minutes. (each person's oven is different. Adjust it according to his own oven. The dough will turn yellow.