First, grind the cashews in a blender or food processor. Grate the mawa. In a pan, combine the sugar and water, and heat to make a syrup. Add the ground cashews and grated mawa to the syrup, and mix well. Cook until the mixture thickens.

Place a sheet of parchment paper on a flat surface. Spread the prepared mixture on it, and cover with another sheet of parchment paper. Roll it out evenly with a rolling pin.

Apply edible silver leaf on top as desired, and cut into your preferred shapes.