"My mother-in-law's recipe. Perfectly delicious...."
INGREDIENTS
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1 cup butter
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1 cup shortening
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1 cup sugar
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1 cup confectioners' sugar
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2 teaspoons vanilla
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2 eggs
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4 cups flour
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1 teaspoon baking soda
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1 teaspoon cream of tartar
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1/2 teaspoon salt