Based on 2 cookies of 10g per serving
Mix all dry ingredients together.
Add raw egg, whey, and Greek yogurt.
Combine the dry and wet ingredients and shape them into cookies (add more whey if the texture is too dry).
Preheat air fryer to 180°C for 5 minutes and bake at 170°C for 10 minutes.
Flip the cookies and bake at 160°C for 15 minutes.