2 cups sugar 3 tablespoons all-purpose flour 1/4 to 1/2 teaspoon ground nutmeg Pastry for double-crust pie 1/2 cup butter, cubed 2/3 cup white vinegar 1 quart hot water Preheat oven to 450°. Whisk together sugar, flour and nutmeg; set aside. On a lightly floured surface, roll one-third of pie dough to a 1/8-in.-thick circle;…