Pressure cook the banana and potato with their skin..

Let it cool for some time..

Than mash the potato with raw bananas..make sure their are no lumps..

Add chopped onion and green chilies..

Add ginger garlic paste...add chilli powder and garam masala powder..

Add salt as per your taste..mix coriander leaves.Add gramflour and one bread for binding..

And give it a good mix..

Divide it into equal portions.

Grease your palm with some oil.

And shape each portion into round tikkis at least 1/2 inch thik..

Shallow fry the tikkis in a non stick tawa till golden brown on low flame...

Serve hot with Onions rings..