Heat ghee in a pan on a medium flame. Add cashew nuts and roast till golden brown. Keep it aside. Grease a plate with little ghee and set aside.

Take a mixing bowl. Add water, cornflour and orange colour and mix well. Ensure that no lumps are formed. Keep it aside.

Add sugar and water in a heavy bottomed pan. Heat the pan on a low to medium flame till the sugar is fully dissolved in the water. There is no need for one string consistency. Just ensure the sugar is full dissolved.

Once the sugar mixture starts simmering, add the cornflour mixture to the sugar syrup and keep stirring continuously on a low to medium flame. Once the mixture starts thickening, add the remaining ghee and keep stirring. Add the roasted cashew nuts and mix well so that the cashew nuts gets well absorbed in the halwa.

Once the halwa gets glossy and starts leaving the sides of the pan, pour the halwa mixture into the greased plate. Tap the plate gently so that the halwa mixture is spread evenly.

Leave the plate aside for an hour to cool down. Once cooled down, cut into square or diamond pieces, as per the shape desired by you.
Serve the cornflour halwa warm or chilled. It tastes better anyways.