1. Peel off the skin and boil potatoes and green peas in pressure cooker or microwave oven.
2. Cut onions, tomatoes, ginger, garlic and keep other ingredients ready.
3. Heat oil in a pan/kadai, splutter mustard, black gram dal, cumin seeds, asafoetida, onions followed by tomatoes, add chilli powder, coriander powder, turmeric powder and little salt. Mix the content well and allow it to fry.
4. Now add boiled vegetables and green peas. Fry the contents well.
5. Potato fry is delicious and ready to be served.

This recipe is called Urulai kizhangu varuval in Tamil.

Courtesy: http://tamilveg.blogspot.com/