INGREDIENTS
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8-1/2 oz. (1-3/4 cups) unbleached all-purpose flour
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1/2 tsp. baking powder
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1/2 tsp. table salt
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1/2 lb. (1 cup) unsalted butter, softened at room temperature
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1 cup granulated sugar; more for coating
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1 large egg
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1/2 tsp. pure vanilla extract