Ingredients

1 tablespoon mustard seeds 

1 tablespoon fennel seeds 

1 tablespoon coriander seeds 

1 tablespoon black peppercorns 

2 bay leaves 

1/2 pound kosher salt (1 1/2 cups, plus 2 tablespoons) 

2 tablespoons sea salt 

1/2 cup light-brown sugar 

3 cloves garlic 

4 sprigs thyme 

4 sprigs parsley 

1 fresh turkey (14 pounds), giblets removed and reserved 

Preparation

Wrap seeds, peppercorns, and bay leaves in a square of cheesecloth; tie with kitchen twine. Bring 2 gallons water, both salts, and brown sugar to a boil in a very large pot, stirring to dissolve. Add bundle, garlic, thyme, and parsley. Let cool completely. Fully submerge turkey, weighting it down with a plate topped with cans if necessary. (In lieu of a large pot, you can use a brining bag.) Refrigerate turkey overnight.