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?

Due to a very basic error that could put consumers' health at risk, the major supermarket chain had to recall a large quantity of butter.

Costco has reportedly been forced to recall 80,000 pounds of butter after the nutrient label failed to mention that the dairy product contains ... milk.