Alyssa Cantu’s road to culinary expertise came by way of a punk rock band. “Back in high school, I wanted to be a singer in my friends’ band, but I needed a microphone and amplifier,” Cantu laughs. “My mom said I’d have to earn the money myself, and somehow we came up with the idea of selling breakfast tacos to the kids at school.” Those one-dollar tacos quickly caught on, and...