It's been years since I've ordered a tuna sub at a sandwich chain, though ... and pickles (if available) on plain white or Italian bread, with a few slight variations. I found that two were downright ...

If using Greek yogurt in place of mayo, make sure that you get plain, unflavored Greek yogurt for a similar taste and texture ...

For 52% of those tuna eaters, the recipe of preference is just a plain ol' tuna salad on a sandwich. By opting for ...