Sandwich

A sandwich is a food item of Earth origin, usually made from two slices of bread with a filling between them.

In the Human representation of the Q Continuum, there was a sandwich shop. 

Captain Jean-Luc Picard offered Wesley Crusher a sandwich while aboard the shuttlepod Einstein heading to Starbase 515. 

On board a captured Jem'Hadar fighter in early 2374, the lack of replicators made Chief O'Brien wish for a sandwich, while Jadzia Dax hoped for a viewscreen and Nog for a chair. Doctor Bashir however claimed that in an emergency all they'd want would be a biobed. 

In 2375, as the USS Voyager prepared to engage its new quantum slipstream drive, Commander Chakotay asked Ensign Harry Kim what he'd brought aboard the Delta Flyer for lunch. Kim replied, "salami sandwiches". 

''In 2258 of the alternate reality, after learning that Spock was from the future, jokingly asked him if they still had sandwiches there. 

Types of sandwich
There are many different types of sandwich, including the following:
 * Altair sandwich
 * BLT sandwich
 * Cheesesteak
 * Chicken sandwich
 * Cucumber sandwich
 * Grilled cheese
 * Hamburger
 * Nozala sandwich
 * Salami sandwich
 * Peanut butter sandwich
 * Watercress sandwich