Chicken Tagine with Preserved Lemons

2 Chicken Legs (400g / 0.9 lbs)

4 Tbsp Olive Oil

8 g (2 tsp) of Butter

Pinch of Saffron

1/2 Preserved Lemon

2 garlic Cloves

2 Small Onions

5 g (1 tsp) of Parsley

5 g (1 tsp) of Cilantro

1/4 tsp Salt

1/2 tsp Pepper

1 tsp Ginger

1 tsp Turmeric

1/4 tsp Cinnamon

2 Medium Potatoes (250g)

150 ml (5 Fluid oz) of hot water

15 Green Olives for cooking

7 Green Olives for decoration