Bonda is a typical Indian snack that has various sweet and spicy versions of it in different regions
Grind banana with melted jaggery in a mixie.
In a mixing bowl mix cardamom powder, baking powder, wheat flour, salt with banana-jaggery mixture. Mix should not be too thick. Add more water if required. Let it rest for 4 hours to ferment.
Heat oil in a pan. Turn heat to medium. Make small balls out of the mixture and fry it in the oil until it turns golden brown turning once or twice in between. Move to a serving bowl