1. Prepare all ingredients
2. Stir the butter, sugar, and egg white evenly.
3. Add flour and cut and mix
4. Put the walnuts and continue to mix well
5. Wrap plastic surgery with plastic wrap
6. Put it in the refrigerator and freeze for an hour, then take out and cut into pieces.
7. Put it in a baking tray, preheat the upper and lower middle layers of the oven, and bake at 180 degrees for 25 minutes.
Tips:Set the temperature and time according to the situation of each oven. If you don't like too sweet, you can reduce 10 grams of sugar.
