INGREDIENTS
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12 tablespoons (1 1/2 sticks; 6 ounces) cold unsalted butter
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2 cups plus 3 tablespoons pastry flour (10 ounces; may substitute 1 1/2 cups bleached all-purpose flour plus 3/4 cup cake flour)
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1/4 teaspoon baking powder, preferably Rumford or other non-sodium-based brand
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1/4 teaspoon salt
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4 1/2 ounces cold cream cheese, cut into 3 to 4 pieces (4.5 ounces)
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3 tablespoons cold heavy whipping cream ( 1 1/2 ounces)
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1 tablespoon cider vinegar