TreeHouse Foods, Inc., said Friday that it issued a voluntary recall after discovering possible contamination during routing testing at its plant.

The manufacturer of numerous frozen waffle brands has issued a voluntary recall over potential listeria contamination. Treehouse Foods, which makes waffles and other foods for Target and other national retailers, discovered the issue through routine testing at their manufacturing facility, according to a news release.

TreeHouse Foods, Inc. (NYSE: THS) has issued a voluntary recall of certain frozen waffle products due to potential contamination with