The FDA has upgraded a recall of Lay’s Potato Chips to the highest level possible, meaning consuming the chips will cause adverse health consequences. In December, Texas-based food manufacturer Frito Lay recalled a limited number of Lay’s Classic 13oz because the product could contain undeclared milk ingredients.

Federal regulators have upgraded a product recall of Lay's Classic Potato Chips to the highest risk level for a batch that may contain undeclared milk ingredients. Last month, Frito-Lay issued a recall warning that more than 6,

The Food and Drug Administration just raised the recall level of Lay’s Classic Potato Chips to the highest risk classification. Frito Lay issued a recall on Dec. 16 through the FDA for over 6,000 bags of Lay's Classic Potato Chips that contained "undeclared milk.