You will need


Pour the milk, the white chocolate chips and the vanilla into a microwavable glass container and mix. Heat for 30 seconds and stir. Then heat for another 30 seconds and stir again.

Check that the chocolate chips have melted and mix one last time. If they have't melted yet, head them up for another 30 seconds. Stir and divide between 2 mugs.

Sprinkle some cocoa powder or marshmallows at the top and enjoy.