Salad
Salad was a food from Earth commonly prepared from a mixture of various ingredients, chiefly raw vegetables. Humans considered salad a particularly healthy food.
River Song gave her lunch of chicken and salad to the Tenth Doctor so that he could feed the chicken legs to the Vashta Nerada. (TV: Silence in the Library)
Peri Brown once prepared salads aboard the Doctor's TARDIS for dinner for herself and the Sixth Doctor. The Doctor found the salads dull, and yearned for a bit of junk food. After a mishap with the Doctor's personal reality warp, Peri found herself in a dimension modelled upon a combination of the Alice in Wonderland book she had been reading and the salad she had been eating. The world was populated by Wonderland characters in the forms of the various vegetables from her salad, who tried to execute her for the heinous crime of eating vegetables. When Peri found herself safely back aboard the TARDIS at the last minute, Peri had gone off her salad and decided to prepare some burgers and chips instead. (COMIC: Salad Daze)
Mr B. Stoker once told his patient that her diet, which consisted mainly of salad, was able to explain her salt deficiency. Unbeknownst to Stoker, his patient was only deficient due her ability to absorb it so well, as she was a plasmavore. (TV: Smith and Jones)
The Ninth Doctor stated that wearable salads enjoyed a short-lived popularity. (COMIC: Doctormania)
Salad was part of a meal which Dean was carrying while walking through Sheffield. However, Dean did not care for salad so he discarded pieces of it as he walked before coming across T'zim-Sha. Mistaking the Stenza warrior for someone wearing a premature Halloween costume, Dean took to throwing his salad at T'zim-Sha, who responded by killing him. (TV: The Woman Who Fell to Earth)
