1. Preheat oven to 350 degrees F. Rinse chicken and pat dry.
2. Heat a medium-sized nonstick skillet over low heat; spray lightly with vegetable spray. Add chicken and cook quickly until browned on both sides. Remove chicken to a medium-sized shallow casserole dish. Add vegetables to casserole.
3. In a small bowl, combine broth, soup, milk, thyme, sage and bay leaf; pour over chicken and vegetables.
4. Bake, covered, for 1 hour or until vegetables and chicken are tender.