Coarsely grind soaked channa dal, mixed sprouts and oats with some water. Remove in a bowl. Add finely chopped onion, chilli, ginger, coriander leaves, hing, cornflour and salt. Mix well. Keep aside for 10 mins.
Heat a tawa and spread some oil.
Place a spoonful of the batter in the middle and spread slightly. Sprinkle some oil on the top.