First, a sniff test. If there's anything sour or foul about the way your mayo smells, it has likely gone bad. A rank odor ...

And that means potato salad, coleslaw, pasta salad, and lots of dips to share—all of which will keep our mayo jars busier than any other time of year. To find out once and for all which jar ...

One of the more recent images that has captivated audiences is Tubby, a harrowing jar of mayo who has since emerged as one of college football's most indelible images. Here's what you need to know ...