Morning sunlight glints off a black box truck as I pull into the parking lot at 7:49 a.m. “Trenton Magic!” it promises in a blocky orange font, next to a giant pig winking at me. An auspicious ...

I’ll soon discover the secrets to making pork roll. I’ll learn what “meat glue” is. And I’ll find out the face of pork roll is not a red-boxed industry behemoth but an affable married couple — a tall ...