The Frito-Lay voluntary recall on a limited number of Lay's Classic potato chips due to an undeclared allergen has been updated by the FDA to Class 1.
The FDA has classified a previous Frito-Lay potato chip recall under its highest risk level after some bags of Lay's Classic Potato Chips were found to potentially contain undeclared milk ingredients.
bags of Lays Classic Potato Chips that may contain undeclared milk ... which are yellow and include a red Lay's logo and a blue "Party Size" banner, also bear the manufacturing codes 6462307xx ...