Summer’s most iconic sandwich — voluptuous tomato slices heaped between slices of toasted, mayo-slicked white bread — seems a straightforward, simple pleasure. But don’t let its modest appearance fool ...

A tomato sandwich is a simple thing. At least, that’s what we thought. Just a few key ingredients -- bread, mayonnaise and tomato -- are all you need to create one, right? Well, sort of. We at This is ...