I tried store-brand peanut butter from Whole Foods, Trader Joe's, Costco, and Wegmans. My kids couldn't get enough of the winner.

I tried four brands of peanut butter from Trader Joe's, Costco, Wegmans, and Whole Foods. Ted Berg 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 organic creamy peanut butter had a great flavor, and my kids loved it. My family goes through a lot of peanut butter — my kids routinely eat the spread in sandwiches and snacks. Although big-name peanut but...