INGREDIENTS
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2 cups all-purpose flour, plus more for dusting
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2 tablespoons granulated sugar
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2 teaspoons baking powder
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1 teaspoon salt
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1/4 teaspoon baking soda
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4 tablespoons cold unsalted butter, cubed
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1 tablespoon finely grated lemon zest
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1 cup buttermilk
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1 egg, beaten
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3 tablespoons raw sugar, for garnish