Sicilian Couscous with Fish Broth (cuscus con brodo di pesce) - SippitySup

Ingredients

• 1 pound couscous (about 2 ½ cups)
• 3 tablespoons extra-virgin olive oil
• 1 medium onion, finely chopped
• 2 cloves garlic, peeled and minced
• peperoncino or red pepper flakes
• 4 plum tomatoes, peeld, seeded and finely chopped
• 1 stalk celery, finely chopped
• 2½ pounds soup fish, such as scorpin fish, roosterfish, grouper, or other firm-fleshed white fish
• 2 tablespoons tomato concentrate
• 1 tablespoon flat-leaf parsley, roughly chopped
• 1 three-inch piece cinnamon stick
• 2 bay leaves
• salt and pepper to taste
• 7 cups water
• 1½ pound lightly floured and fried calamari rings (optional)