With a hand blender mix the biscuits to crumbles.
Mix together with vanilla sugar, icing sugar and saffron.
Add the vanilla extract and butter an mix well.
Roll preferred size balls.
Place in the fridge for 1 hour.
Pour the grated coconut flakes in a bowl.
Roll the balls in the chocolate and immediately after in the coconut flakes.
Place in the fridge for 30 min.