Lays recalled their classic chips in December 2024. Now, there's a new status to the ongoing recall. According to the FDA, "Class I" level recalls are used when there is "reasonable probability that the use of,

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.

"Those with an allergy or...sensitivity to milk run the risk of a serious or life-threatening allergic reaction if they consume the recalled product."