Preheat oven to 180C, line biscuit trays with silicone paper.
Combine the dry ingredients in a bowl.
Combine water, bicarb soda and date syrup together and add to the butter.
Add butter mix and dark chocolate to the dry ingredients and mix to combine.
Roll dessert spoon full of mix into rounds, press top of round into chopped pistachio, and place on baking tray nut side up. placing should be 3cm apart to allow for spreading.
Bake for 10-15mins. Allow to cool on trays.