oil, hing, mustard, jeera, onions, ginger-garlic paste, turmeric powder, danya powder, chilli powder and salt. Mix well and add potato cubes and mattar and mix well. Let it boil till potatoes are half done. Then add the tomato-onions-green chillies paste and mix well along with required quantity of water. Once the potatoes are well done, garnish with coriander leaves and keep the lid closed till you serve.