Chips

Chips were long cuts of deep fried potato. In England, they were often covered in vinegar and served with fish.

In the middle of a salad dinner aboard the Doctor's TARDIS, Peri Brown once 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. After a frightening experience in that world which nearly saw her executed for the crime of eating vegetables, Peri went off her salad and decided to prepare burgers and chips instead. (DWM: Salad Daze)

After Rose Tyler witnessed the destruction of Earth, the Ninth Doctor took her back to her own time, where she decided to get some chips. (DW: The End of the World)

The Doctor ordered steak and chips while dining with Blon Fel-Fotch Passameer-Day Slitheen. (DW: Boom Town)

Fish and chips were mentioned by the Tenth Doctor as being what Rose would be eating if she left the TARDIS, along with sausages and mash, beans on toast, turkey and nut loaf. (DW: Children in Need Special)

The Tenth Doctor bought some chips while on Earth. (NSA: The Feast of the Drowned)

Chips cooked in Krillitane oil were served at Deffry Vale High School as part of the Krillitanes' plan to crack the Skasis Paradigm. (DW: School Reunion)

Eugene Jones ordered two eggs, ham and chips every single day at a local café. (TW: Random Shoes)

Martha Jones bought some chips for the Tenth Doctor and Jack Harkness while on the run from the Master when he was on Earth, which were noted by Jack to be "good" with the Doctor agreeing "actually they're not bad." (DW: The Sound of Drums)

Jack Harkness requested fish and chips while aboard the Valiant. (DW: Last of the Time Lords)

The Eleventh Doctor offered to drop Amy Pond and Rory Williams off somewhere where they could get fish and chips. (DW: The Rebel Flesh)