1. Egg separation.
2. Add 1/3 powdered sugar to the egg white, add 1/3 powdered sugar to the air bubbles, and beat the grain.
3. Add the remaining powdered sugar into the egg yolk and mix well with an egg beater.
4. Pour the egg yolk into the egg white and stir it up and down repeatedly with a spatula. Never stir in circles.
5. Sieve the protein into the flour and add the milk powder.
Stir the rod up and down, mix it evenly and put it into the carved bag. It is better to use silica gel, which is easy to break at one time.
6. Immediately put the extruded pattern into the oven, 150 degrees, 18 minutes, and adjust it to 180 degrees for coloring in the last two minutes.