Cook rice in such a way that each grain remains separate. Spread it on a plate to cool.
Wash, peel and grate the raw mango.
Fry peanuts separately and keep aside.
Heat oil in a pan, add mustard seeds, when it splutters add split black lentils, red chillies, green chillies and asafoetida.
Add fried peanuts, turmeric powder and curry leaves.
Add grated mango and mix well. Cook for 2 minutes and switch off the flame.
Add cooked rice and mix gently using a fork, taking care not to break the rice. Check for salt, add if required.
Enjoy mango rice with chips or papadum as side dish.