Soak the cashew nuts in boiling water for 1 hour. Drain it and process smoothly in a food processor by adding milk & then sugar.
Heat the ghee in a large pan, add the cashew nut paste and cook over medium heat, stirring constantly until the mixture becomes thick. Then, add vanilla essence and mix thoroughly.
Put this mixture in a greased tray and spread it evenly and press the silver leaf on the top. Let it cool for 45 minutes. After it is cooled, cut into diamond shaped pieces.