01 -
In a bowl, combine kosher salt, brown sugar, dried sage, thyme, and garlic powder until evenly mixed.
02 -
Pat the turkey dry with paper towels. Generously rub the dry brine mixture all over the turkey, including under the skin, especially on the breast.
03 -
Place the brined turkey on a rack in a large roasting pan. Refrigerate uncovered for at least 60 hours (2 1/2 days).
04 -
Remove turkey from refrigerator and allow to sit at room temperature for 1 hour. Do not rinse the brine off.
05 -
Place quartered lemon, quartered onion, and smashed garlic cloves inside the turkey cavity.
06 -
In a bowl, mix softened butter with ground black pepper. Carefully loosen the turkey skin and spread the butter mixture evenly both over and under the skin.
07 -
Preheat the oven to 325°F (163°C). Place turkey breast side up on a rack in a roasting pan. Roast for approximately 3 hours, or until the internal temperature in the thickest part of the thigh reaches 165°F (74°C).
08 -
Transfer turkey to a cutting board and tent loosely with foil. Rest for 20 to 30 minutes before carving and serving.