1. Butter is softened
2. Add the powdered sugar in three times
3. Stir evenly with an electric whisk
4. Add sifted cornstarch
5. Stir evenly with an electric whisk
6. The durian pulp is pureed with a food processor
7. Add butter
8. Stir evenly with an electric whisk
9. Add sieved low and high powder
10. Stir evenly until there is no dry powder
11. Put the piping mouth into the piping bag, put the piping bag in the big cup, and put the evenly mixed batter into the piping bag
12. Preheat the oven at 120 degrees, squeeze the cookies into the baking tray
13. Bake at 120 degrees for 50 minutes
