INGREDIENTS
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For a 9-inch double-crust pie or 8 individual rustic pies:
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2 2/3 cups (12 1/4 ounces/350 grams) pastry flour
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2/3 cup (3 1/2 ounces/100 grams) all-purpose flour
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2 tablespoons sugar
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1 tablespoon kosher salt
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1 cup (2 sticks/8 ounces/226 grams) unsalted butter , freezer-cold (see headnote), cut into 1/2- inch dice
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1/4 cup (2 ounces/60 grams) vegetable shortening , freezer-cold (see headnote)
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1/2 cup (4 ounces/114 grams) ice-cold water (see headnote), or more as needed
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2 teaspoons distilled white vinegar