1. Wash the raw banana and cook it in a pressure cooker with enough water and without removing the skin.
2. Cook till 2-3 whistles. Allow it to cool and peel the skin.
3. Mash the banana into a fine paste.
4. Mix all the other ingredients in a large bowl.
5. Add the banana paste and enough water to make a batter which is thicker then idli/dosa batter.
6. Spread oil on a thick-bottomed tava and spread the batter with your hands.
7. Add a little oil along the sides.
8. Cook covered for 2-3 mins. Reverse the sides and cook covered again.
9. Serve hot with chutney. This dish is also called Baalekaayi akki roti

Tips: Potatoes can be used instead of raw banana.