Wash and soak the sago for 4 hours. After 4 hours, drain the water.
Into the sago add chopped ginger, green chillies, cumin seeds, salt, crushed peanuts and mash it here and there.
Donot mash it completely.Now add boiled and mashed potato into it and mix well.
At this stage add the rice flour. It helps in binding.
Finally add the chopped coriander and mix well.
Now keep water in a small bowl, and wet your hands before making each balls so that it will not stick.
Make even sized balls and keep it ready to cook.Now heat the appe pan and add a tsp of ghee in all the holes.
Keep one sago ball in one hole and cook it in medium flame.Cover it with the lid and cook.
Flip now and then and cook on all the sides.
When it is golden brown and cooked well till inside, remove it from the pan.
Serve hot with green chutney and tea.