Remove giblets from chicken. Place giblets, onion and garlic in a shallow roasting pan.
Tuck wings under; tie legs together with string, if desired. Place chicken, breast side up, over giblets and vegetables; sprinkle with salt and pepper. Drizzle chicken and giblet mixture with oil. Add broth to roasting pan.
Cover and bake at 350 degrees F (180C) for 1 hour. Uncover and bake 1 more hour or until a meat thermometer inserted in chicken thigh registers 180 degrees F (80C).