Ingredients:
400 g - sour dosa batter (leftover batter can be used)
2 tbsp - channa dal, soaked for 2 hours
1 tsp - jeera
4 - green chillies, chopped fine
2 - onion, medium, chopped fine
1 inch - ginger, chopped fine
3 tsp each - curry leaves, coriander leaves, chopped fine
salt
a pinch - turmeric
1/8 tsp - baking soda
oil for deep frying