Can’t eat dairy and sit on a fresh bag of Lay’s at the same time? You may want to check your batch codes. On Monday, Frito-Lay announced a voluntary recall of Lay’s Classic Potato Chips. The announcement said certain bags sold in Oregon and Washington may contain undisclosed dairy products. The 13-ounce bags have manufacturing codes beginning with either 6462307xx or 6463307xx and a “guaranteed fresh” date of February 11, 2025. The recalled bags hit shelves on November 3, 2024. No other products are part of the recall.

The company was alerted to the mishap by a customer, but no allergic reactions have been reported to date. Although most people with a milk allergy are already aware of it, symptoms include vomiting, wheezing, hives, and digestive problems. In severe cases, a milk allergy can lead to anaphylactic shock. Therefore, customers with milk allergies or sensitivities should discard the bags.

Frito-Lay added that customers who purchased the product should contact customer service. Although there was no mention of a refund on the website, US law requires companies to offer either a replacement or a refund – leaving it up to the company to decide what you get.

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Do Lay’s Classic Potato Chips contain dairy?

Typically, Lay’s Classic Potato Chips do not contain dairy products, but this is not the first time that unnamed dairy products have triggered a recall. In 2023, the company announced that certain bags of its classic potato chips were contaminated with dairy products. According to the recall announcement, the contamination came from a mix-up with sour cream and onion chips manufactured at the same facility. That same year, the company recalled bags of its chickpea vegetable chips due to milk contamination from caramel chips. Although Frito-Lay did not elaborate on how the error occurred that triggered the latest recall, most allergen recalls occur when factory equipment is not properly cleaned.

Frito-Lay’s website provides a list of products that are free of common allergens. The website notes that product information is subject to change, adding that Lay products sold under similar brands in different countries may contain different ingredients. The website also states that their products are manufactured in facilities that process dairy products, so there is always some risk.

The number of food recalls has increased this year, but this is partly due to increased safety standards. Rest assured that the FDA will let you know if your butter contains milk (unless it is vegan butter). However, customers with serious concerns can view the FDA’s list of recalls and safety alerts.

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