Step 1

For the turkey: Twenty-four hours before cooking your turkey, liberally season the inside and outside of the bird with salt and pepper. Using a mini chopper or mortar and pestle, grind the oregano, parsley, tarragon, sumac, thyme, shallots and lemon zest together with some salt and pepper; the salt will help draw the moisture and flavor from the mixture. Add the olive oil to form a paste. Spread the herb mixture all around the inside and outside of the turkey. Refrigerate the turkey, uncovered to dry the skin, for 24 hours.

Step 2

For the roasting: Remove the turkey from the fridge 90 minutes before roasting and allow it to come to room temperature.

Step 3

Preheat the oven to 450 degrees F.

Step 4

Season the turkey again with salt and pepper. Put the parsley and thyme sprigs in the cavity with the lemon and shallot halves.

Step 5

Put the carrots, celery and onions in the bottom of a roasting pan fitted with a roasting rack. Add a cup of water or stock to the bottom of the pan. Add the turkey to the rack and roast, adding a little more water or stock to the pan if necessary to prevent the drippings from burning, for 30 minutes. Reduce the temperature to 350 degrees F and continue to roast, basting the turkey with the pan drippings every 30 minutes, until the thickest part of the leg registers an internal temperature of 155 degrees F, another 2 1/2 to 3 hours. Allow the bird to rest, tented with foil, for at least 1 hour before carving. The temperature will rise to about 165 degrees F during resting.

Step 6

Pour the pan drippings into a saucepan, set the pan over medium-high heat and cook until reduced by one-half, about 10 minutes. Stir in the butter until melted. Pour the reduced turkey drippings over the carved turkey just before serving.