Preheat the oven to 325°F (163°C).
Prepare the turkey by removing the giblets and patting it dry.
Rub the softened butter under the skin and all over the turkey.
Season the turkey generously with salt, pepper, garlic powder, and onion powder.
Stuff the cavity with lemon, onion, and fresh herbs.
Place the turkey on a roasting rack in a large pan and pour chicken broth into the bottom.
Roast the turkey, basting every 30 minutes.
Cook until the internal temperature reaches 165°F (74°C).
Let the turkey rest for at least 20-30 minutes before carving.