Take a microwave safe, rectangular glass dish and put the milk powder in it.
Empty the condensed milk and heavy whipping cream on top.
Sprinkle the Cardamom powder and saffron on top and mix everything well.
Microwave on HIGH, for 3 minutes.
Take out from microwave, stir and break lumps and put it back for another 3 minutes(BE VERY CAREFUL, IT MIGHT BOIL OVER. WATCH THE MICROWAVE, IF IT LOOKS LIKE IT MIGHT BOIL OVER,STOP, PAUSE, CONTINUE COOKING)
Take out dish again, stir lumps and put back in the microwave for another 2 minutes.At this point it should be pretty much done,depending on microwave. If you need to, stir again and do another 1 minute.
Put wax paper on top and take a flat bowl to smoothen top, if needed.Apply Rose water on top,let it rest for 5-10 minutes and cut into pieces.Decorate with chopped nuts and additional Saffron