Pressure Cook Yam, banana with skin channa dal, cinnamon, cardamom, green Chilies with enough water until it's done. There should be no water present after it's cooked and if present reduce it)
Allow it to cool down, Remove the banana skin and mash into a smooth mixture.
Blend the onion and cashew nuts into a smooth paste and add it to the yam and banana mixture
Add salt and give it a good mix
Place the mixture in a large bowl and make a well in the centre and place a live coal.
Put the cloves on the coal, spoon the ghee over it and immediately cover, set aside for 15 minutes.
Add the besan, mix well make small patties and shallow fry till done.