I ordered a tuna sandwich from Subway, Jimmy John's, and Jersey Mike's to see which big-name chain makes the best classic sub. One stood out.

You already know there’s no better filling between two slices of bread than warm, shredded tuna tucked under a cheddar blanket. But not all of the tuna melts in town get this seemingly simple combo ...

Subway's tuna salad sandwich ... tuna DNA" in samples of the sandwich. Source: Insider Subway contends that the test doesn't prove anything, because cooking the fish can make the tuna DNA ...

This salty sandwich, the story goes, was created after a cook in Charleston spilled tuna salad onto a grilled cheese sandwich. Instead of binning the tainted dish, the chef served it. This origin ...

Jimmy John's sandwich had a great balance of ingredients and spot-on taste and texture. I think ordering a tuna sub is always going to be a bit of a risk. Will the fish taste fresh enough?