TreeHouse Foods amended the best by dates in its December 11, 2016 recall of macaroni and cheese cup products that were recalled for possible Salmonella contamination. Milk powder used in the seasoning mix in those products was produced by Valley Milk Products. Salmonella bacteria were found in Valley Milk’s facility. No illnesses have been reported to date.
You can see the amended best by dates at the FDA web site. The recalled products are Big Win Original Macaroni & Cheese Dinner, Cheese Club Express Mac Macaroni & Cheese Dinner, and Great Value Macaroni & Cheese Original Cups.
If you purchased these products, do not eat them. Throw them away or return them to the place of purchase for a full refund.