Costco recalls Kirkland butter over an unlabeled allergen. Learn why accurate food labeling is crucial for consumer trust and how to respond if you’re affected.

Costco recalled 80,000 pounds of butter whose packaging omitted the allergen warning 'Contains Milk.' It follows a far worse packaging error from Mattel last week.

Costco voluntarily recalled 79,200 pounds of two types of its store-brand butter over the past month because their labels may not have said the products contain milk.