Drain off the excess moisture by squeezing using a cloth. Add milk, sugar & rose water to the pumpkin and cook , until the mixture becomes thick(over low heat). Stir constantly. Then add the ghee and cook, until it seperates. Add the cardamoms & cashew nuts and stir.
Drain off any excess ghee from the mixture. Spread the mixture in a greased tray & leave it to cool for 30 minutes. Then cut into squares.