How to make Karachi Halwa 2 cup corn flour 1 tablespoon chopped cashews 2 litre Water 5 cup sugar 2 tablespoon ghee 1/2 teaspoon edible food color Step 1For making Karachi Halwa, add 2 cups (500 ml) of water to the corn flour and mix well. Add the food colour and mix without any lumps. Step 2Heat the remaining water in a pan over medium flame. Add sugar and stir until fully dissolved. Step 3Bring to boil and add the corn flour mixture. Stir well continuously. When it starts to stick to the pan, add ghee and stir again. Step 4When it has reached a halwa consistency and leaves the sides of the vessel, transfer to a greased tray. Sprinkle the fried cashew nuts and allow it to set. Step 5Just before it sets completely, cut it into desired pieces. Serve.