Peel, wash and chop the potatoes. Drain the chickpeas in a sieve. Wash and finely chop the chilli. Roast paprika powder and nutmeg in a pan, add ghee. Add the chilli, potatoes and chickpeas to the pan and fry, season with salt and pepper.
Add tomatoes and vegetable stock, season again with salt, pepper and brown sugar and simmer for about 20 minutes.
Wash the coriander, shake dry and chop finely. Arrange stew on plates and sprinkle with coriander and coarse pepper.