First take biscuits in a mixer jar and grind it to make powder.take out in a bowl.

In a same mixer jar first add milk and powdered biscuits and blend well till smooth.

Now add Nutella and give it a good spin until blend well.

Now add 2 scoops of icecream and again blend till smooth.

Now pour chocolate shake in a garnished serving glasses.add a another scoop of icecream on top.drizzle some chocolate syrup on it.

Note-- You can add any chocolate biscuits and any flavoured icecream of your choice.Add sugar and ice cubes if required.