Preheat your oven to 325°F (165°C).
Remove the turkey giblets and pat the turkey dry with paper towels.
Rub the turkey inside and out with the softened butter.
Season the turkey generously with salt and pepper.
Stuff the cavity with the bunch of fresh herbs, lemon halves, and onion quarters.
Place the turkey breast side up on a rack in a roasting pan.
Pour the chicken broth into the bottom of the roasting pan.
Roast the turkey, basting occasionally with the pan juices, until the internal temperature reaches 165°F (74°C) in the thickest part of the thigh, about 4 hours.
Let the turkey rest for 20-30 minutes before carving.