In a pan add oil when it js heated add tomatoes to it
Add little salt, turmeric powder and allow to cook
After tomatoes turn mushy add all powders
That is jeera, dhaniya, garam masala, chaat masala, salt and red chilly powder
Saute for a minute and add boiled and mashed potatoes and saute for a minute
Now add over night soaked and boiled matar make sure tomatoes are in large amount than matar
Saute for 2 minutes and transfer to a serving bowl and garnish with onions finely chopped and coriander
I personally don't prefer any chutney so I didn't add if you wish you can
