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

 had sandwiches for lunch in 2151 when he, Captain Archer, and Sub-commander T'Pol were eating in the captain's mess. ()

Sandwiches were among the prepared dishes in the serving case of the mess hall aboard Enterprise NX-01. ()

In August of 2152, when Jonathan Archer was in a hurry for food and did not wish to wait for Hoshi Sato to finish preparing oden, she told him that he could fix himself a sandwich if he was so hungry. ()

In an illusion created by the Talosians in 2254, Vina brought chicken tuna sandwiches along on their picnic that were made based on a recipe used by Christopher Pike's mother. () 

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

In 2270, Montgomery Scott ordered a grilled cheese sandwich on rye bread from the food synthesizer, but was met with an overflowing assortment of other foods instead, including a different kind of sandwich. ()

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

In 2373, a Changeling posing as Dr.  ingratiated himself to Miles O'Brien and Jadzia Dax by providing them with sandwiches. ()

Later that year, after Quark sold two thousand Dopterian interceptors to an alien customer, he felt that selling weapons was "no different" than what he did at his old job, a salesman selling sandwiches. ()

On board a captured Jem'Hadar attack ship, in early 2374, the lack of replicators made Chief O'Brien wish for a sandwich, while 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  prepared to engage its new quantum slipstream drive, Commander Chakotay asked Ensign Harry Kim what he'd brought aboard the  for lunch. Kim replied, "salami sandwiches". ()

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

Types 
There were 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
 Wrap
 Hot dog

External links 
 
 

de:Sandwich
Foods
Deleted and unused material in background