Peel the potatoes and cut in to two halves and prick them.
Heat 2 tsp of oil in a large pan and just shallow fry the potatoes till it becomes light golden brown color and keep them aside.
Now grind all the masala ingredients into a coarse powder and keep them aside. Heat the remaining oil in a pressure cooker add bay leaves, onions & curry leaves and fry them till it becomes translucent .
After that add ginger and garlic paste mix it well and fry them till the raw smell goes off.
Now add the ground masala(If the masala is more than 2 tbsp don’t add all of ‘em jsut add 2 tbsp) and fry them for a little bit , let say like 4 minutes.
And add red chili powder, turmeric powder and salt mix it all together and fry the for 3 minutes.
Now pour the milk to make gravy followed by adding yoghurt. Keep stirring continuously.
Add the tomatoes and pricked potatoes in to this gravy and close the lid of the pressure cooker.
Pressure cook for one whistle in medium heat. Garnish it with coriander leaves.