Ingredients:
400 g - potatoes
1 - large onion
5 to 6 - green chillies
2 to 3 tsp - coriander powder
2 to 3 tsp - cumin powder
5 to 6 tsp - chat masala
2 to 3 tsp - red chilly powder (optional)
5 to 6 - urad papad/ masala papad
fresh coriander leaves
salt to taste
oil to fry