remove skin from chicken thighs. Sauté in a casserole until brown. Add the onion, garlic, and dried limes. Cover with stock, sprinkle turmeric. Bring to a boil, then simmer covered for 20 minutes.
Push down the limes from time to time.
Add potatoes and cook another 20 minutes until tender.
Meanwhile, chop herbs and spinach. Sauté in a pan for 3-4 minutes until spinach is wilted. Add to the casserole, cover, and simmer another 10-15 minutes. Season with salt and pepper.
Serve with rice or couscous, and plain yoghurt.