Chop onion finely, de-seed tomato and chop it finely as well.
Keep the ingredients ready. heat kadai, add oil, when the oil is hot, put off the flame.
Add red chilli powder and chaat masala powder.
Immediately add the peanuts and toss well. Do not let it get burnt.
Transfer to a mixing bowl and add onion, tomato, coriander and squeeze lemon.
Mix well and add more chaat masala as needed to balance salt.
Mix well and serve immediately.