1. Powder mixed and sieved
2. Soften the butter, add sugar and beat evenly
3. Add egg yolks in portions and beat evenly
4. The whipped butter becomes light and fluffy
5. Sift in the mixed powder and mix slightly
6. Add the Qiaodou and mix well
7. Take a small piece of spheronization
8. Arrange into the baking tray and press the middle with your thumb to make it naturally crack around, put it in the preheated oven at 175 degrees for 10 minutes
