Read more: Strawberry Hacks You'll Wish You Knew Sooner First up, Jif. My family was convinced ... In summation, if you're ...

Luckily, no actual illnesses were reported, but better safe than sorry. Jif has been an American institution since 1956, boasting the largest market share in peanut butter by a landslide.

After decades of growth, America's favorite peanut butter hit tough times. Undermined by private label and outspent by rivals, sales slipped into decline. At the same time, Jif was losing pre-family ...