"This sweet creamy frosting made with real butter is easy to blend together and holds its shape nicely when used to decorate a special layer cake. —Taste of Home Test Kitchen..."
INGREDIENTS
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1 package cake mix of your choice (regular size)
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1 cup butter, softened
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1 cup shortening
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12 cups confectioners' sugar (about 3 pounds)
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1 tablespoon vanilla extract
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1/4 teaspoon salt
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3/4 to 1 cup milk
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Blue, yellow and green gel, paste or liquid food coloring