1. After the butter is softened, crush it with a spatula and stir until smooth
2. Pour in powdered sugar
3. Stir well
4. Sift in low flour, cornstarch, almond flour and matcha powder
5. Use a spatula to roll and stir to mix all the materials into a dough
6. Divide the dough into 24 portions, each portion is rolled into small balls, oven 160 degrees, about 15 minutes
7. Baked
8. Sieve powdered sugar on the surface
