North African Chicken and Spinach Stew

Name: North African Chicken and Spinach Stew
Ingredients: 1 whole chicken (about 2 1/2 pounds); 3 celery stalks, roughly chopped; 2 carrots, roughly chopped; 1 medium onion, roughly chopped; 3 bay leaves; Sea salt; 10 garlic cloves; 6 tablespoons (3/4 stick) salted butter; 1/2 teaspoon freshly cracked black pepper; 1 cinnamon stick; 10 ounces baby spinach, chopped (about 8 cups); 1 tablespoon granulated onion; 1 tablespoon granulated garlic; 1 tablespoon paprika; 1/4 teaspoon cayenne pepper; 1 tablespoon dried oregano; Cooked basmati rice, for serving; Lemon wedges, for serving (optional)