"Hello, sunshine: This mix of citrus fruits is a sweet change from tangy lemon bars...."
INGREDIENTS
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2 1/2 cups all-purpose flour (spooned and leveled), plus more for rolling
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1 teaspoon sugar
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1/2 teaspoon coarse salt
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1 cup (2 sticks) cold unsalted butter, cut into small pieces
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1/4 to 1/2 cup ice water
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1/2 cup fresh grapefruit juice (from 1 grapefruit)
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2 tablespoons finely grated orange zest, plus 1/2 cup orange juice (from 1 orange)
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2 tablespoons finely grated lemon zest, plus 1/2 cup lemon juice (from 3 lemons)
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1 3/4 cups granulated sugar
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5 large eggs, lightly beaten
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Confectioners' sugar, for dusting