1. In a non stick, heat some oil (ghee/butter) and add the onions.
2. Saute them for a 1 min, add ginger garlic paste , chillies (if using) and saute some more till the onions get transluscent.
3. Add all the spices along with salt and bay leaf and saute them for 2-3min.
4. Add the Potatoes and cook for another 2-3 min.
5. Add the tomatoes, stir for another 1 min and add a cup of water and close the lid and cook for 4-5 min.
6. Add the peas and cook some till all the water has been absorbed and potatoes are tender.
7. Garnish with cilantro and serve with Indian Breads or with rice.

Courtesy: http://chefinyou.com/