Bring milk to boil in a pan, stirring occasionally

Add lauki and mix well

Cook until mix starts thickening

Add sugar and mix well.

Add khoya and mix well. cook for 3-4 minutes

Optionally add food colouring and mix well

Add 3 tbsp nuts and cardamom. mix well. cook until mixture thickens completely

Pour the mixture in prepared greased dish. level evenly

Garnish with nuts. refrigerate until set

Slice the barfi into desired shape. store in airtight container and refrigerate upto 2 days. Serve cold