Mix the dry ingredients - Mix the flour and baking powder with a spoon and sieve it. Mix the chocolate powder to the above.
Separate the egg whites and keep it aside.
Powder the sugar in a mixer. Mix the egg whites and sugar with a beater till it becomes fluffy. keep that aside.
Now mix the first set of chocolate powder, flour & baking powder with chopped cashews, ghee and egg yolks
Once that is thoroughly mixed, add the egg whites + sugar mixture
Beat this well using a hand blender or mixer.
Preheat oven on 320F
Pour the mixture into a baking pan and keep it on the oven for 55 minutes.
Once it nears the baking point you will see the top crust getting hard and light brown and the edges separating from the tray.
Once baked, serve after cooling it