How I Built This with Guy Raz

Pipcorn: Jennifer and Jeff Martin

While working at a farmers market in Chicago, Jennifer Martin had a Jack-in-the-Beanstalk moment—a chance encounter with some tiny kernels, which wound up growing into a small giant of a business: Pipcorn, snacks made of heirloom corn. Along with her brother Jeff and sister-in-law Teresa, Jennifer launched the brand in 2012, hand-popping mounds of popcorn…