first roast the rice flour in large pan under medium heat. and keep about 1/2cup of roasted flour for dusting and coating. then boil water and sugar in a another pan until form a thick line and take out the heat. now mix together flour, ground cardamom, and cashew nut and add to the sugar syrup and mix well. then quickly spread on a boar lined with waxed paper and try keep it 1/2inch thickness. then cut it in to pieces in your choice. and separate from the board and coat with keep 1/2 flour.