A tuna sandwich is a type of sandwich that typically consists of canned tuna, mayonnaise or another spread, and other ingredients such as lettuce, tomato, and onion, served between two slices of bread.
I originally thought I would make tuna sandwiches, but then remembered these egg salad sandwiches and realized I hadn't made them in a long time. (confessionsofacookingdiva.com)
Eating tuna sandwiches at your desk is a quick road to nothing. (lawyerist.com)
I do, but the same old tuna sandwich can get boring after a while. (jessicalevinson.com)