INGREDIENTS
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3 cups all-purpose flour, plus more for dusting
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1/3 cup powdered milk
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1 tablespoon granulated sugar
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5 teaspoons baking powder
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2 teaspoons cream of tartar
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2 teaspoons salt
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1 stick cold butter, cut into bits
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1/2 cup shortening
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1 1/2 cups buttermilk
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1/4 cup melted butter