1 cup Green Gram seeds / Hesaru kaalu
1/2 cup White Rice
7-8 Curry leaves
2-3 Green Chillies
Grape sized Ginger
Salt to taste
1 medium sized Onion
Soak green gram seeds in water for about 7-8 hrs. Wash soaked green gram seeds 2-3 times and keep it aside.
Soak rice in water for about 4-5 hrs. Wash soaked rice 2-3 times and keep it aside.Grind soaked green gram seeds along with green chillies, ginger, curry leaves into smooth paste and pour it to a vessel. Grind soaked rice into smooth paste by adding sufficient amount of water and pour it to the vessel containing green gram batter. Add salt and water(if required). (Consistency of the batter should be like that of milkshake.)
Chop the onion into small pieces and keep it aside.
Heat the Tava(Iron Tava preferred). Pour a spoonful of batter at the centre, spread it with the back of the spoon to a thin round. Stick 1 tsp of finely chopped onion over the dosa by using hand. Add 1 tsp of oil/ghee on top of dosa, cover it in a lid and cook it for about 1-2 mins in medium flame. Roast other side of the dosa as well.
Serve hot along with any chutney or sambar.The ingredients mentioned above will serve 8-10 Pesarattus.