Moroccan Chicken Tagine

Name: Moroccan Chicken Tagine
Cuisine: Moroccan, African
Ingredients: 1.5 kg chicken pieces (thighs or drumsticks); 1 medium onion, finely grated; 3 cloves garlic, minced; 1 tsp ground ginger; 1 tsp turmeric; 1 tsp ground cumin; 1/2 tsp paprika; 1/2 tsp ground cinnamon; 1/4 tsp saffron threads, crushed; 2 tbsp olive oil; Salt and black pepper to taste; For the Tagine; 2 tbsp olive oil; 1 large onion, sliced; 1 preserved lemon, quartered and pulp removed; 1/2 cup green or purple olives; 1/4 cup fresh cilantro, chopped; 1/4 cup fresh parsley, chopped; 1/2 cup chicken broth or water