"My favorite biscotti recipes with a cinnamon-sugar twist...."
INGREDIENTS
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2¾ cups all-purpose flour
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1½ teaspoons ground cinnamon
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1 teaspoon baking powder
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½ teaspoon salt
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½ cup unsalted butter (at room temperature)
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1 cup granulated sugar
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2 eggs
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1 teaspoon vanilla extract
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1 egg white
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1 teaspoon water
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¼ cup granulated sugar
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1 teaspoon ground cinnamon