First out a pan/ kadai on flame and warm it. Now put the dal and start the roasting procedure by stirring constantly. This step can be done ahead. Cool the roasted dal and grind it in a blender. For a smooth texture of halwa grind it finely, for a grainy texture grind it coarse.

Now put this ground dal powder in a pan, add one cup milk, followed by 2 cups water, and stir to make it lump free. Now put the pan on the flame, add the food colour/turmeric powder, and start cooking the mixture on medium flame.

Slowly the mixture will start thickening. Keep stirring gently, scraping the sides of the pan from time to time. If adding saffron strands, add now. Once the mixture thickens, check if there is any rawness in the smell. That is, if the dal smell/ taste is still coming. If yes, add another ladle of milk and continue to stir again. If your mixture has thickened and there is no raw smell or taste, add the sugar gently and start stirring again.

You will also notice that at this stage your mixture/ halwa no longer sticks to the pan/ kadai bottom, but comes out clean while stirring. Another way to tell the Halwa is done, is when you take a little of it in your fingers and try to form a ball, you should be able to do it. Add the cardamom powder and nuts and transfer the halwa to a container. The delicious Moong dal halwa is ready to relish.