Heat 1 cup ghee in a heavy pan on low flame
Add 2 cups besan and roast continuously
Keep roasting until the besan turns golden brown and gives a nutty aroma
Turn off the heat and let the mixture cool slightly
Add 1 cup powdered sugar
Add 1/2 teaspoon cardamom powder
Add chopped nuts if desired
Mix well until combined
While the mixture is still warm, shape into small round laddus
Let the laddus cool and set
Store in an airtight container