Truly Scrumptious Apple Pie

INGREDIENTS

• 1/4 teaspoon ground cinnamon
• 3/4 cups granulated sugar, plus extra for decorating, if desired
• 6 ounces very cold vegetable shortening, cut into chunks
• 1/2 teaspoon fresh grated nutmeg
• 630 grams unbleached all-purpose flour (I use King Arthur; about 5 cups)
• 2 cups Golden Delicious apples, peeled, cored and sliced thin
• 2 cups Macintosh apples, peeled, cored and sliced thin
• 2 tablespoons unsalted butter
• 2 cups Granny Smith apples, peeled, cored and sliced thin
• 11 ounces very cold unsalted butter, cut into small cubes
• About 1/2 cup ice water
• 1/4 cup flour
• 2 tablespoons cream or milk
• 3 wedges of fresh lemon
• 2 1/2 teaspoons kosher salt
• 2 chilled pie dough disks, or 1 unbaked 9" pie shell with top crust