Take a small glass. Add hot water, coffee, sugar and vanilla essence.
Using a handheld electric frother, beat the coffee mixture until frothy.
In another glass, pour 2 tbsp hot milk. Using the same electric frother, beat the hot milk until foamy.
Then take the serving glass, pour the coffee mixture and hot milk.
After that slowly pour the milk froth over the top.
Using a toothpick, swirl the foam.