In a mixing bowl, mash boiled potatoes and keep them aside.
Now in a pan, add oil, mustard seeds, curry leaves, and hing. Sauté for a minute.
Then add ginger, garlic, and green chilli paste. Sauté for a minute.
Now, lower the flame and add turmeric powder and mix well.
Switch off the gas and add the tempering to the boiled potatoes.
Also, add salt and some coriander leaves. mix well.
Aloo masala is ready.
Make a round shape ball from the masala and keep it aside.