Set a shorter oven time. Don't leave.

Step1:1. Add the flour to the fermentation powder and add the warm water and noodle

Step2:2. Roll out the surface and press with the moul

Step3:3. Put in the baking tray. Brush the oil on it. Put it on the biscuit and brush the egg liquid. Sprinkle some sugar on the egg liquid

Step4:4. Put it into the oven for baking. The time depends on the thickness of the biscuit and the temperature of the oven.
Cooking tips:There are skills in making delicious dishes.