Roast sesame seeds and peanuts separately
Let it cool
Crush the peanuts
Mash jaggery till soft.
Put in a large heavy pan.
Add ghee and heat, till it melts and starts bubbling.
Add peanuts and sesame seeds, take off fire.
Mix well till well blended.
While still hot, shape into pingpong ball size ladoos, with moist hands (apply ghee on your hands).
Allow to cool completely, before storing in airtight container.