1. After the butter has softened at room temperature, add powdered sugar and salt, and beat
2. Add the egg yolk and continue to beat
3. Combine the low flour, almond flour, and cocoa powder, sieve, and mix evenly
4. Put the mixed biscuit paste into a piping bag with a piping mouth
5.
The upper and lower tubes of the oven are preheated at 170 degrees,
Squeeze cookies on the baking sheet
6. Put the cookie-squeezed baking tray into the middle of the oven, pipe up and down, 170 degrees for 22 minutes
7. After baking, take it out and let cool
Tips:You can choose the decorating mouth by yourself, and pay attention to the coloring in the later stage of baking. Don't bake it.
