Cook's Illustrated Foolproof Pie Crust

INGREDIENTS

• 1/4 cup chilled solid vegetable shortening, cut into 2 pieces
• 1 1/4 cup unbleached all-purpose flour
• 1 tablespoon sugar
• 2 tablespoons vodka, cold
• 6 tablespoons cold unsalted butter (3/4 stick), cut into 1/4-inch slices
• 1/2 teaspoon table salt
• 2 tablespoons cold water