Make the chermoula by combining all the ingredients together to make a thick paste in a mortar and pestle.
Rub the fish pieces well with Chermoula. Leave, preferably for several hours
or overnight.
Heat the oil in a Dutch oven and lightly fry the garlic and spices. Add the
tomatoes, saffron, fish stock. Sprinkle with salt and simmer until the mixture
has reduced and thickened somewhat. There must be enough to cover the fish.
Heat the oven to 400F.
Add fish to dutch oven.
Scatter the olives, and extra lemon rind on top, cover the dish and bake for 40
minutes to 1 hour, depending on the size and number of fish.
Remove fish, reduce stock.
Garnish with saved cilantro
Accompany with rice or couscous.