INGREDIENTS
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1 sheet frozen puff pastry (from a 17.3 ounce package), preferably Dufour, thawed
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All-purpose flour, for surface
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1 large egg, lightly beaten, for egg wash
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1/2 cup fresh or good-quality applesauce
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3 Granny Smith apples, peeled, cored, and cut into thin wedges
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1 ounce (2 tablespoons) unsalted butter, melted
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2 tablespoons sanding sugar, for sprinkling
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2 tablespoons apricot preserves
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1 tablespoon water
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Confectioners' sugar, for dusting (optional)
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Whipped cream, for serving (optional)