In a bowl mix together cream, condensed milk, saffron, cashew nuts and saffron.
Pour it into silicon moulds and freeze for 5 - 8 hours.
For making the milk shake, add chilled milk, one kulfi and sugar in a blender jar and pulse until it in frothy.
Slice up the other kulfi.
Pour the milk shake in a serving glass, top with the sliced kulfi, saffron and cashew nuts.