INGREDIENTS
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Cake:
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2 cups white sugar
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3/4 cup solid vegetable shortening
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3 cups cake flour
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2 teaspoons baking powder
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1 teaspoon salt
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1 cup root beer
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1 teaspoon root beer extract
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5 egg whites
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Frosting:
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1 cup heavy cream
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3/4 cup confectioners' sugar
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1 teaspoon root beer extract