In a mixture jar, add coriander seeds, cumin seeds, fennel seeds, and dry red chilli. Grind it into a coarse powder.
In a pan, add oil, cumin seeds, a pinch of hing, chopped ginger, and green chilli. Sauté for a minute.
Add green peas and chopped cashew. Sauté till it becomes soft.
Then add grinded masala and sauté it on low flame.
Now add boiled and mashed potatoes, salt, amchur powder and garam masala. mix well. Slightly crush the mixture with a masher. Mix well.
Switch off the gas and take out stuffing into a bowl.