To prepare dosa batter, soak Dosa rice + urrad dal + puffed rice + methi seeds + Channa dal(kadalebele) in water for 10 hours. Later grind it smooth and let it be in a warm place for 8 hours and place it in a fridge. Just before dosa preparation get the batter out before 1 hour and add salt and tbsp of sugar
Now for masala preparation: Take 3-4 tsp oil in a pan + mustard seeds+ urrad dal + Channa dal+ cumin seeds. Once it splutters add curry leaves + hing + ginger + turmeric powder + chilli. Saut for a while
Now add chopped onions + raw mango to the same pan and saut for 10 minutes.
Now add mashed and boiled potato to the same pan. Add salt (1 tsp)+ sugar(1 tsp) + water(if required) and saut in low flame for awhile.
Cook until potato absorbs the flavors. Now add lemon + coriander leaves and mix well.
Now to prepare dosa: take 0.25 tsp of ghee and spread over dosa pan. Pour dosa batter in the pan and add 2 tsp masala prepared (spread it in middle). Cook on both the sides.
Serve hot masala dosa with chutney.
