INGREDIENTS
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1 cup all-purpose flour, spooned and leveled
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3 tablespoons fresh mint leaves (about 20 large), finely chopped
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2 tablespoons finely chopped crystallized ginger (about 1 ounce)
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1 tablespoon finely grated lemon zest
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1/4 teaspoon baking soda
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1/2 cup (1 stick) unsalted butter, room temperature
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1/4 cup granulated sugar
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1/4 cup packed light-brown sugar
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1/2 teaspoon pure vanilla extract
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1 egg yolk, room temperature
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1/4 cup coarse sugar, for rolling