Finely chop the potatoes and onions (not more than 1 cms each). Heat up a frying pan and add 2 tbsps of oil, after few seconds, add mustard seeds and chickpeas to it.

Once the mustard seeds begin to pop, add finely chopped onions and fry for 5 minutes.

Once the onion gets soft and brown, add the chopped potatoes to it. Sprinkle one tbsp of garam masala, salt and continue frying. Add turmeric if required.

Repeat the process for 15 mins, if the Potatoes gets sticky, sprinkle some water (10ml) and fry. After 15 mins, keep the stove on low flame, cover the pan with a lid and allow it for 7 minutes. Transfer it to a bowl, add coriander leaves if required. Serve hot.