INGREDIENTS
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Ingredients for about 4-dozen cookies
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1/2 lb (2 sticks) unsalted butter, softened
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1 cup confectioner’s sugar, plus more for dusting
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1 egg yolk
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1 Tablespoon orange-cognac, such as LaBelle Orange
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(Cointreau or Grand Marnier will work, too)
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2 cups all-purpose flour