If you've ever tried Kirkland Signature's grass-fed butter, you know how high-quality it is. But where does Costco source it ...
The other main difference: Kirkland's grass-fed butter hails from New Zealand, not Ireland, like Kerrygold. The biggest difference between these premium butter offerings? The price. At my Costco ...
Costco's Kirkland Signature Grass-Fed Butter, which launched in 2021, and the brand behind it, deserve a moment in the ...
Costco's Kirkland Signature Grass-Fed Butter is a more affordable alternative to Kerrygold. For some shoppers, the butter even has a richer, creamier flavor, despite the lower price.