Ingredients 8 ounces fatback, cut into 2-inch pieces 6 ounces chicken livers, rinsed and patted dry 6 ounces boneless, skinless chicken thighs, cut into 2-inch pieces 6 ounces boneless pork shoulder, cut into 2-inch pieces 2 tablespoons extra-virgin olive oil 3 shallots, minced 1 ounce fatback, cut into 1/4-inch pieces 3 ounces chicken livers, cut into 1/4-inch pieces 8 ounces boneless, skinless chicken thighs, cut into 1/3-inch pieces 8 ounces boneless pork shoulder, cut into 1/3-inch pieces 2 tablespoons brandy, such as cognac 1 tablespoon chopped fresh sage 1 tablespoon chopped fresh thyme 1/2 teaspoon ground allspice 1/2 teaspoon ground coriander 1/4 teaspoon freshly grated nutmeg Kosher salt and freshly ground pepper 1/2 cup sliced pistachios, preferably Sicilian 3 1/2 cups unbleached all-purpose flour, plus more for dusting 1 1/2 teaspoons kosher salt 1 1/2 sticks (3/4 cup) unsalted butter 6 ounces lard 1 cup unbleached bread flour 1 envelope (1/4 ounce) unflavored gelatin 1/2 to 3/4 cup chicken stock, preferably homemade, heated Preparation Ground Meat: In a large bowl, combine fatback, chicken livers, chicken thighs, and pork shoulder....