- Combine all ingredients for the base in a high power blender and blend until smooth.
- Press into the base of greased and lined square spring form cake tins (16cm x 16cm) and set aside while you make the cookie dough filling.
- Drain and rinse soaked cashews and place in blender with all remaining ingredients, blend until smooth and creamy (this takes a few minutes).
- Transfer to a mixing bowl and stir through chocolate.
- Spoon on top of the base and place in the freezer for 4-5 hours or overnight to set.
- Allow to thaw before serving and drizzle with additional raw chocolate (optional).