Natural peanut butter, like Kirkland, is best stored in the fridge right away, even if unopened. It can last for up to a year that way. After opening, you'll want to finish it within three to four ...

Like most Costco items, Kirkland's Organic Peanut Butter comes in a multi-pack -- customers can buy two 28-ounce jars for $12.99 ($0.23 per ounce). Read more: 7 Must-Have Canned Foods And 7 To ...

My family tried peanut butter from four different grocery stores and ranked them from worst to best.; I thought the 365 brand was oddly greasy and too messy to spread. The Kirkland Signature ...

Peanut Butter When I’m choosing peanut butter, I look for ones with just two ingredients: peanuts and salt. This led me to the Kirkland Signature Organic Creamy Peanut Butter.

Kirkland Signature Peanut Butter Filled Pretzel Nuggets, 55 oz ($11.99) Trying fun new snacks is one of the great joys of a Costco membership.

Kirkland Signature Creamy Almond Butter Some people don't like almond butter and refer to it as peanut butter's inferior cousin. As a lover of peanut butter myself, I can agree that the two are ...