Blend in processor until ingredients form a dough consistency.
Spread evening over the base of a square baking tin. Place in freezer until filling is made.
Blend all ingredients except coconut cream until smooth then add cream and blend again until combined.
Pour on top of base and place in freezer. Put into fridge for 1 hour before serving.
Lime slices and Sprinkle with cacao nibs before placing in freezer to set.