Directions

Heat the oil and fry the onion for a few minutes

Add ginger and garlic and fry for a couple more minutes

Add turmeric and chilli powder and fry for 1 more minute

Add the mushrooms and potatoes and the water and salt and give it a stir

Put the lid on and cook it gently for 15 minutes

Add the Garam Masala and coriander and give it a stir, put the lid back on and cook for another 15 minutes or a bit longer if the potatoes need it