INGREDIENTS
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1/2 cup plus 1 tablespoon whole milk 2 tablespoons sour cream 1 1/2 cup all purpose flour 1 1/2 teaspoons baking powder 1/2 teaspoon salt 6 tablespoons unsalted butter, room temperature 1/2 cup sugar 1 large egg zest of 1 lemon 1 tablespoon poppy see