"This buttery cookie gets better with age: It can be stored up to a month, and over that time its flavor deepens. Dip the tips of the cookies in melted chocolate for a decorative touch...."
INGREDIENTS
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1 1/3 cups (2 sticks plus 6 tablespoons) unsalted butter, room temperature, plus more for pans
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2/3 cup sugar
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3/4 teaspoon salt
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3/4 teaspoon pure vanilla extract
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3 1/3 cups all-purpose flour