The only ingredients in Kirkland's signature peanut butter are dry-roasted organic peanuts and sea salt, meaning it's the natural kind that will require refrigeration. Read more: 7 Costco Kirkland ...

Luckily, Costco’s in-club brand, Kirkland ... salted butter, available in a four-count package at Costco. This salted butter can be used in place of unsalted butter in various recipes.

Costco has recalled tens of thousands of pounds of Kirkland Signature ... Almost 80,000 pounds of butter have been recalled as they contain an essential and well known ingredient that was not ...