INGREDIENTS
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2 cups plus 2 tablespoons all-purpose flour (see Cook's Note)
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1 teaspoon ground cinnamon
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1/2 teaspoon baking soda
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1/2 teaspoon fine salt
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1/4 teaspoon ground allspice
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1/8 teaspoon ground ginger
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8 tablespoons (1 stick) unsalted butter, at room temperature
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1/2 cup packed dark brown sugar
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1/2 cup unsulfured molasses
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1 teaspoon pure vanilla extract
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2 large eggs
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Zest of 1 orange
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1/2 cup semisweet chocolate chips
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2 cups confectioners' sugar
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2 large egg whites or a combination of 4 teaspoons meringue powder mixed with 1/4 cup water
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1 vanilla bean, split and seeds scraped out