INGREDIENTS
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All-purpose flour, for rolling
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1 sheet puff pastry (from a 17.3-ounce package), thawed
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3 tablespoons unsalted butter
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3 pounds Gala or Fuji apples (about 6), peeled, cored, and thinly sliced
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1/2 cup plus 2 tablespoons sugar
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1/2 teaspoon ground cinnamon