Ferrero rocher shake

500ml Ferrero Rocher Gelato Ice Cream or Plain chocolate ice cream
5 Ferrero Rocher Chocolates (more if you are using plain chocolate ice cream)
1 cup Cold Milk (more or less according to your desired consistency)
1/2 cup Crushed ice
2 tbsp Chocolate Powder (I used Nesquik)
whipped cream ,for topping (optional)
2 tsp Chocolate vermicelli, for topping (optional)
4 tbsp Melted Chocolate , for the swirl in the sides of the glass (optional)
Using a spoon or cone ,swirl the melted chocolate to the sides of the glass and transfer into the freezer for few minutes for the chocolate to harden.
Toss chocolates, ice cream, milk, crushed ice and chocolate powder into a blender. Blend till you get a thick shake, add more milk if you do not like thick shake.
Pour the shake into the prepared glasses. Top with whipped cream and chocolate vermicelli.