1 Preheat the oven to 325 degrees.2 Rub a 12-14 pound turkey with 1 cup dry spice rub , place in a baking pan breast side down. Add 6 cups water and ½ C olive oil to the pan. Cover with foil. Bake 21/2 hours. Discard the foil, turn the turkey breast side up and bake 1 hour more, or until juices run clear when pierced with a knife. 3 Let the turkey rest about 15 minutes before slicing. While the turkey rest, transfer the liquids to a sauce pan and reduce to 3-4 cups. Strain the sauce over the sliced turkey.