Trivia in a Jif
If you're packing up a picnic basket for a breezy summer outing, chances are good that a peanut butter and jelly sandwich will find its way inside. And why not? PB&J is among the cheapest sandwiches you can make, packs in a substantial amount of protein, and satisfies picky kids and nostalgic adults alike. But like most classics, this lunch-box mainstay has a long backstory. Here are some interesting tidbits about one of America's favorite foods — and we promise they won't stick to the roof of your mouth. (Hungry for more food trivia? Here are 30 Things You Didn't Know About Your Favorite Childhood Cereals.)