1. Brown chicken in butter on all sides in a large skillet. Transfer chicken to a greased 13 x 9 x 2-inch baking pan.
2. Combine sour cream, blue cheese, Worcestershire sauce, and garlic in a small mixing bowl; mix well. Spoon the mixture evenly over chicken.
3. Bake, uncovered, at 350° F. for 50 minutes or until tender. Remove chicken with Blue cheese sauce to individual serving plates. Sprinkle with fresh parsley. Serve warm.