1. Remove outer part of the banana flower, separate the inner white flowers, remove the hard inner stalk and the outer skin. Chop the thin white flowers and soak in water for two hours to remove the stickiness and bitterness.
2. Soak the poppy seeds in two tablespoons of water for an hour and grind to a smooth paste. Chop the onions and green chillies in the chopper. Add to the mashed potatoes. Add coriander leaves. Squeeze the chopped banana flowers so that all the water is removed and add to the potato mixture. Add salt, sugar, black pepper powder, vinegar and poppy seed paste and mix well.
3. Heat sufficient oil in a non-stick pan. Shape the mixture into oval shaped chops and deep fry till crisp and golden. Drain onto an absorbent paper.
4. Serve hot.