Hundreds of frozen waffle products sold in leading retailers including Walmart and Target are being recalled because of possible contamination by the listeria bacteria, according to the manufacturer.

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.

The recall includes various certain frozen waffles sold in Walmart, Target, Publix and other stores. Some waffles for brands like Kodiak Cakes, Simple Truth and Food Hold have also been recalled.