Kraft Foods Group has issued a voluntary recall of Kraft and Polly-O string cheese products after the items spoiled before their "best when used by" date, according to a corporate statement.
The Northfield, Ill. company said that String Cheese and String Cheese Twists products with code dates from Oct. 25 through Feb. 11, 2014 have become discolored and spoiled.
"We're sorry that these products did not meet our standards and your expectations," Kraft said in a written statement.
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For a full list of affected products and serial numbers, click here.