Blend 1 cup soaked rice and 1 cup soaked green moong in a blender along with 1 1/2 tbsp chopped onion, 1 tsp chopped green chillies, 2 tbsp chopped ginger, salt as required, 1 tsp cumin seeds and little water.
Rest the batter for 15 minutes.
Heat the Tawa and pour the batter.
Sprinkle some oil and cook till the dosa is ready to fold.
Serve Pesarattu with coconut chutney, and a wedge of lemon and melon.
Garnish the chutney with coriander sprig and chilli powder.