Blend base ingredients in a food processor or blender to a breadcrumb that sticks together.
Pour into your tart tin lined with clear biodegradable wrap, press up the edges until firm.
Blend filling ingredients except cacao butter and powder until super smooth. Add cacao butter and blend again, then add cacao powder and blend til combined. Pour into base then place in freezer for 2 hrs to set. Will keep in the freezer for up to 1 month.
Video
Notes
Gluten free: Swap the rolled oats for extra almonds, or raw/activated buckwheat groats.
Nut free: Replace the almonds in the base with sunflower seeds, and the cashews in the filling with hemp seeds.