About 242,000 cases of Kraft Macaroni & Cheese dinner are recalled because they may contain small pieces of metal. The recall involves only 7.25-ounce boxes of original flavor sold individually or 7.25-ounce boxes sold shrink wrapped in a 3-, 4- or 5-pack.

Packages are marked with “Best When Used By” dates of Sept. 18, 2015, through Oct. 11, 2015, with “C2” directly below the date.

Do not eat the product. Return it to the store where purchased or contact Kraft Foods at 800-816-9432.