1 Sweat the onions and garlic into a pot of hot oil
2 Add the spice mix and fry off the mix and pour some hot water to form a paste
3 Add the mushrooms, salted butter and cinnamon stick into the pot and mix it with the spice mix and close the lid to cook for a few minutes
4 Add more hot water and allow to simmer. Once thickened, add the Greek yoghurt, coriander and a squeeze of lemon