1.In a tajine or large pot, heat olive oil over medium heat.
2.Add the chicken thigh and brown it on all sides.
3.Chop the onion and add it to the pot along with minced garlic. Cook until the onion is translucent.
4.Add ginger, turmeric, saffron, and the juice of one lemon to the pot. Stir well.
5.Slice the preserved lemon and add it along with the green olives to the pot.
6.Season with salt and pepper, cover, and let it simmer on low heat for about 45 minutes.
7.Garnish with chopped parsley and coriander before serving.