Put the coffee in a blender and add the ice cream and pour over the milk. Blend for 30 seconds – 1 minute until well mixed.
Put the pistachio syrup in the bottom of a milkshake glass and carefully pour over the coffee shake. Pipe or spoon the whipped cream over the top and garnish with chopped pistachios.
Alternative: Swap out to a hazelnut syrup with a sprinkle of hazelnuts for another twist!