Fish Tagine (Tagine Samak)

Ingredients

• 4 white fish steaks (such as halibut or cod), about 6 ounces each
• 1/4 cup chermoula marinade
• 2 tablespoons olive oil
• 2 red bell peppers, sliced into strips
• 1 green bell pepper, sliced into strips
• 2 medium yellow potatoes, peeled and sliced into 1/4-inch rounds
• 2 carrots, peeled and sliced into thin rounds
• 3 large tomatoes, sliced into rounds
• 1 onion, thinly sliced
• 3 cloves garlic, minced
• 1 teaspoon ground cumin
• 1 teaspoon sweet paprika
• 1/4 teaspoon ground turmeric
• 1 pinch saffron threads
• 1 cup fish stock or water
• 1 lemon, sliced into thin rounds
• 1/2 cup green olives
• 1/4 cup fresh cilantro, chopped
• 1 teaspoon salt
• 1/2 teaspoon black pepper