Failure is the mother of success.
Step1:Soften butter. Beat until white and swollen. Add sugar and salt and mix well.
Step2:Sift the cooked egg yolk, sift the powder, add the butter and mix well (it can be pressed with a scraper
Step3:Refrigerate for more than one hour. Divide into small groups. Press into small cakes. Bake up and down in the oven. 170 ℃. 20 minutes.
Cooking tips:Be sure to use sugar powder. When mixing flour, be sure not to stir the dough with gluten to make dishes delicious.