INGREDIENTS
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2 1/4 cups all purpose flour
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1/3 cup sugar
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1 Tablespoon baking powder
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1/4 teaspoon salt
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8 Tablespoons cold unsalted butter, cut into small pieces
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1 Tablespoon caraway seeds
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1/2 cup golden raisins
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1 large egg
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3/4 cup full fat sour cream
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extra sour cream for brushing
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raw sugar for sprinkling, optional