The beef used in the product is also 100% grass-fed, free from antibiotics, and contains no added hormones. RELATED: Costco Shoppers Warn This Item Is Often Moldy: 'It's Been a Problem For Years ...
Curious, I decided to test Costco's grass-fed butter against ... and pan-searing steak. Is Kirkland Signature Grass-Fed Butter Worth It? If you're searching for a delicious grass-fed butter ...