INGREDIENTS
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1 (18.25-ounce) box yellow cake mix
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1 large egg
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1/2 cup (1 stick) unsalted butter, melted
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1 (8-ounce) package cream cheese, softened
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2 large eggs
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1 teaspoon pure vanilla extract
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1 (16-ounce) box confectioners' sugar
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1/2 cup (1 stick) unsalted butter, melted
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1 cup almond toffee bits or chocolate toffee bits