1. The softened butter is beaten with an electric whisk at low speed until loose
2. Add powdered sugar and salt, and beat evenly with an electric whisk at low speed
3. Add a small amount of egg liquid in portions
4. Every time, it must be fully whipped evenly before adding the next time
5. Sift in the flour, add the Kraft cheese powder, stir with a rubber spatula until no dry powder is visible, and form a dough
6. Take a small ball of dough and knead it into small strips
7. Put it on a non-stick bakeware, keeping a certain distance between each other
8. Put it in the preheated baking tray and bake at 170℃ for 15 minutes
