Firstly, take 2 1/1 cups of milk in a saucepan and heat it till you get one boil.

Now add sugar into the milk and bring it to boil for 2-3 minutes stirring frequently till sugar dissolves in the milk.

Add fresh cream and mix it well.

Now add chocolate shavings in and whisk it with a wire whisk till it is well combined.

Take 1 tsp cornflour in a bowl and add 2 tsp cold water to it and mix it well till there are no lumps. Now add this into the milk and whisk it well.

Finally, add Nutella, and let it simmer for another 2 minutes.

Pour Nutella Hot Chocolate into 2 glasses, add a few marshmallows, drizzle some chocolate sauce and serve it hot.