The humble Subway tuna salad sandwich might seem like a pretty solid choice on its own, ... 10 Fast Food Chicken Sandwiches, Ranked. Why Honey Mustard Works So Well With A Tuna Salad Sandwich.

Firehouse Subs Tuna Salad sandwich is made with tuna, relish, mayo, and black pepper, with provolone, lettuce, tomato, onion, ...

These aren't the only times Subway's tuna sandwich has faced scrutiny. In 2021, a California woman sued the chain, claiming that there was no actual tuna fish in their tuna sandwiches.