1 tbsp of chocolate sauce
2 scoops of vanilla ice-cream
Additional 2 scoops of vanilla ice-cream
Whisk together the milk and ice cream into a thick vanilla milkshake.
Drizzle chocolate sauce around the inside of the glass and spread the Nutella around the rim.
Put a scoop of ice cream in each glass and pour in the vanilla milkshake.
Pipe high with whipped cream then add a brownie and a marshmallow.