"Studded with cranberries and pistachios, this tart-and-tangy bar cookie is a beautiful addition to your holiday cookie platter and a great make-ahead option. We found them easier to cut after refrigerating or freezing. Make Ahead Tip: Store in an airtight container in the refrigerator for up to 5 days or in the freezer for up to 1 month...."
INGREDIENTS
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For Crust:
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3 tablespoons unsalted butter
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2 tablespoons granulated sugar
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2 tablespoons light brown sugar
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2/3 cup whole-wheat pastry flour (see Note)
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1/3 cup all-purpose flour
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Pinch of salt
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For Topping:
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3/4 cup granulated sugar
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2 tablespoons all-purpose flour
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1/2 teaspoon baking powder
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Pinch of salt
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1 large egg
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1 large egg white
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1 teaspoon freshly grated orange zest
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1/4 cup orange juice
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2 cups cranberries, fresh or frozen, thawed, coarsely chopped (see Tip)
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1/3 cup pistachios, preferably unsalted, chopped and toasted (see Tip)
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To make quick work of chopping cranberries, place whole berries in a food processor and pulse a few times until the berries are coarsely chopped. To toast chopped pistachios: Cook in a small dry skillet over medium-low heat, stirring constantly, unti