heat butter in a pan and milk along with butter mix well
add milk powder and sugar in it ,mix well,there should not be any lumps in the mixture
add cardamom powder and rose patles in it mix well cook on low flame till mixture get combined like a dough and leaves the pan
switch off the flame add rose essence mix well
remove this mixture in a greased plate and spread evenly
sprinkle pistachio all over the barfii let it cool down completly and set for 30minutes
cut in desired shape and serve
