INGREDIENTS
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6 Tablespoons instant cappuccino (I used Hills Brothers French Vanilla flavored)
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1 Tablespoon hot water
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1 cup butter, softened
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3/4 cup sugar
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1 egg yolk, lightly beaten
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2½ cups all-purpose flour
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pinch of salt
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8 ounces white chocolate
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unsweetened cocoa powder or cinnamon, for dusting