A closer look at Costco’s Kirkland Signature Butter, now under recall for missing allergen ... [+] information. When labels fall short, consumer safety is on the line. Would you toss your butter in the trash if the label left out one critical detail?

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.