The chain’s subs, served on 6-inch or foot-long rolls, are reliably satisfying ... Yummy” in a rather chilling expose: “Your Subway tuna sandwich is 90% mayonnaise. How did we prepare ...
Subway's tuna salad sandwich has been under renewed scrutiny after The New York Times reported that lab testing found "no amplifiable tuna DNA" in samples of the sandwich. Source: Insider Subway ...