Sprinkle each chicken evenly with garlic salt. Place carrot and next 3 ingredients evenly into chicken cavities. Tie legs together with string. Lift wingtips up and over back, and tuck under each chicken. Place each chicken, breast side up, on a rack in a roasting pan. Brush chicken with butter. Pour broth over chicken. Bake, covered, at
325 B0 for 1-1/2 hours, basting every 30 minutes with broth. Uncover and bake 30 more minutes, basting often. Let stand 10 minutes.