INGREDIENTS
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2 1/4 cups all-purpose flour, divided
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1/2 cup confectioners' sugar
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1 cup cold butter, cubed
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2 cups granulated sugar
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4 large eggs
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1/3 cup orange juice
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1/2 teaspoon baking powder
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1 orange, zested
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4 cups confectioners' sugar
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1/2 cup orange juice
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1/2 orange, zested