INGREDIENTS
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4-1/4 cups all-purpose flour
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1-1/2 teaspoons baking powder
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3/4 teaspoon salt
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1 cup (2 sticks) unsalted butter, at room temperature
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1/3 cup vegetable shortening
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1-1/2 cups sugar
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2 large eggs, at room temperature
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2 teaspoons vanilla extract
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milk or light cream, for brushing
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colored or coarse sugar, for sprinkling