"This super-easy cinnamon swirl cake tastes just like a giant honeybun...."
INGREDIENTS
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1 (18.25 ounce) box yellow cake mix
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4 eggs
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1 (8 ounce) carton sour cream
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3/4 cup vegetable oil
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1/2 cup water
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1 cup brown sugar
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1/2 teaspoon ground cinnamon
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2 cups confectioners' sugar
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1/4 cup milk
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1 teaspoon vanilla extract