1. In a bowl, add the egg, oatmeal, white chocolate cream, baking powder and sweetener.
2. Mix well.
3. Transfer the mixture to a greased pan.
4. Place the pan in the air fryer or oven at 180°C, in the microwave or in the oven for 10 minutes (you can use the microwave and leave it for about 1 minute and a half).
5. Brush the surface with white chocolate cream.