1. Heat a large Dutch oven over medium heat. Coat pan with cooking spray. Add chopped onion and beef to pan; cook 10 minutes or until onion is tender and beef is browned, stirring occasionally. Add chopped carrot and chopped celery to pan; cook 5 minutes, stirring occasionally. Stir in garlic; cook 30 seconds. Stir in barley and remaining ingredients, and bring to a boil. Cover, reduce heat, and simmer 40 minutes or until the barley is done and vegetables are tender. Discard bay leaves.