Wash moong masoor dal. Keep aside
Heat oil in a pressure cooker. Add mustard seeds, curry leaves and slit green chillies. Let it splutter. Then add sliced onions. Fry till light golden.
Then add the washed dal to it and add salt. Stir for 2 mins nicely. Then add sliced tomatoes and fry for another 1min. Add enough water and pressure cook the dal. (1 whistle on high and 2 on low). Let the pressure cooker cool completely then open it. Mash the dal with the dal ghotni.
Adjust consistency by adding more water if your dal is too thick. Boil once again. Garnish with some cream and chopped coriander. Serve hot with roti
