"Southern Living..."
INGREDIENTS
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1 cup butter, softened
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1/2 cup shortening
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3 cups sugar
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6 large eggs
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3 cups all-purpose flour
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1/2 teaspoon baking powder
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1/8 teaspoon salt
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1 cup milk
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1 teaspoon vanilla extract
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1 teaspoon lime zest
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1/4 cup fresh key lime juice
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1 cup powdered sugar
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2 tablespoons fresh key lime juice
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1/2 teaspoon vanilla
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whipped cream
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key lime slice