The Costco Butter That Doubles As A Kerrygold Dupe - Chowhound

Let's start with the grass-fed claims. Kerrygold is perhaps best known for its grass-fed reputation. The brand's wrapping boasts that it comes from Irish grass-fed cows. Meanwhile, Kirkland's label promises that its butter comes from 95% grass-fed cows. No exact percentage is listed on the Kerrygold label, however, the brand did disclose that its cows are not fed entirely with grass, and that its cows' diets were…