INGREDIENTS
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1 1/2 cups all-purpose flour
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1/2 teaspoon baking powder
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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6 tablespoons unsalted butter, softened
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3/4 cup granulated sugar, plus 1 tablespoon
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1 large egg
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1/2 cup buttermilk
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1 teaspoon vanilla extract
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2 teaspoons finely grated lemon zest, divided
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1 pound strawberries, halved – or quartered if very large