Cheese and pickle sandwich
From Tardis Wiki, the free Doctor Who reference
A cheese and pickle sandwich was a sandwich containing cheese and pickle. It was a variation on the classic cheese sandwich.
While working late, Toshiko Sato made Owen Harper a cheese and pickle sandwich. (TV: Meat)
Graham O’Brien carried a “cheese and pickle sarnie” on his person not wrapped because he had little time to stop for food when travelling in the TARDIS. (TV: It Takes You Away)
The Thirteenth Doctor brought cheese and pickle sandwiches and jam salad sandwiches to a picnic at the seaside. (COMIC: Fear of the Future)