Heat a large saucepan over medium-high heat. Coat pan with cooking spray. Add carrot, onion, and garlic; sauté 5 minutes or until onion is lightly browned. Add celery, salt, and 1/4 teaspoon pepper; sauté 3 minutes. Add broth and next 3 ingredients (through bay leaf); bring to a boil. Reduce heat, and simmer 5 minutes. Add shredded turkey; cook 3 minutes. Discard bay leaf. Sprinkle with coarsely ground black pepper, if desired.