It was a half-baked idea. London advertising creatives Tom Snell, 25, and Dylan Hartigan, 27, have gone viral for making a food item no one asked for: Two tins of Heinz baked beans mashed into one ...

Canned baked beans appear so ubiquitously that it's tough to imagine they haven't always been around. After all, glance into your pantry, and -- more likely than not -- there's a can gathering dust.