The manufacturers behind Costco's Kirkland Signature products are often mysterious, but the company that makes the brand's ...

If you're a Costco cardholder, you're likely already familiar with the treasure trove that is the Kirkland Signature brand.

Though known for its massive bulk buys, there are plenty of amazing bite-sized snacks between the aisles at Costco. One thing ...

So, I bought creamy peanut butter from Whole Foods, Trader Joe's, Wegmans, and Costco and tried each with an apple slice and a cracker. Here's how I'd rank each spread, from worst to best.