Take potato peel, wash and cut into small pieces.
Now blend coarsely pea into a blender.

Now in a blender take tomato, garlic, ginger, chilli, coriander, black pepper, cumin, cardamom, turmeric powder and coriander leaves make a smooth paste.

After that heat pan add oil and onion and saute well until the onions turn golden brown.

Now add pea and cook 3 min after that add potato and cook till 5 minutes after that add tomato mixture paste and cook until the oil is released from masala paste.

Add 1 cup water or more how much you want to thick gravy and salt, cook 10 min or potatoes cooked completely.

When potato cooked completely means our vegetable is ready to serve.
You can serve with rice or naan.