Pre-heat the oven to 180 C Fan. Line a 13 x 9 baking tin or tray with baking paper.
Over a Bain Marie melt the chocolate.
Separate the eggs and put the egg whites into a Vtamix blender and put the yokes into a separate bowl. (or you can whisk by hand)
Turn the blender onto number 3 for 1 minute turning it down to 2 for 2-3 minutes until the whites are stiff.
Mix in with the yokes the orange blossom syrup, orange zest, cacao powder and the melted chocolate.
With a silver spoon fold in the egg whites careful not to over mix as you don’t want to take the air out of the batter.
Once combined poor into the lined baking tray and bake for 20-25 minutes. It will go a little crusty on the top this is normal.
Take out and leave to cool.
Make the cream by putting the cashews, water and orange blossom syrup into the Vitamix blender on number 7 for 2 minutes until completely smooth.
Cut the tray bake into 10 squares and layer the cream over 5 of them and place the other 5 over the top to make a sandwich.
Sprinkle some raw cacao over the top and some extra orange zest for garnish