Leave it to the ever-popular Dale Earnhardt Jr. to start a craze.
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And leave it to a NASCAR racetrack to capitalize on it.
Earnhardt created the banana-and-mayonnaise-sandwich craze when he tweeted a photo of his favorite lunch sandwich. The not-so-unique creation caught on and suddenly everyone was either trying banana-and-mayo sandwiches or declaring their disgust for them.
Making my favorite sandwich. I swear it's delicious. @Hellmanns pic.