Pizza
Pizza was a type of food found on Earth. Pizza consisted of a bread crust, a layer of tomato sauce, a layer of cheese and various toppings. In the 20th century and 21st century, pizza was a popular choice for a meal. (TV: The Parting of the Ways, Love & Monsters) Pizza could be ordered for delivery from certain restaurants such as Jubilee Pizza, which was favoured by Torchwood Three in Cardiff. (TV: Everything Changes) Standard toppings had names, for instance, Hawaiian pizza was with pineapple. (PROSE: Joyride)
History
Tom took Iris Wildthyme to a pizza parlour for dinner, but Iris left with Robin Hood before she could eat any. (AUDIO: Wildthyme at Large)
On 5 March 2005, Rose Tyler suggested to "Mickey Smith", actually an Auton duplicate, that they could eat pizza that night, which the Auton Mickey enthusiastically agreed with. Though they arrived at a restaurant, the Auton was intercepted by the Ninth Doctor before they could order. (TV: Rose)
A new pizza place offering deliveries opened on Minto Road in late 2006. Mickey Smith told Jackie Tyler about it. (TV: The Parting of the Ways)
In 2007, Elton Pope went out to get a pizza for him and Jackie Tyler. However, he was ultimately left alone with the pizza after Jackie angrily set him away after finding a photograph of her daughter in his coat, having intended to leave a tenner in his pocket in return for the pizza. (TV: Love & Monsters)
In 2009, the Tenth Doctor accidentally called a pizza place, Pizza Geronimo, while attempting to phone UNIT upon being stranded on San Helios. (TV: Planet of the Dead)
In 2010, a Groske working at a UNIT base had pizza stored in his den, which he offered to share with Clyde Langer, Rani Chandra, and Santiago Jones as they hid from the Shansheeth. (TV: Death of the Doctor)
In 2011, Sarah Jane Smith offered Sky pizza. (TV: Sky)
By the 26th century, pizza had apparently become less common and Bernice Summerfield had never had it. (PROSE: The Left-Handed Hummingbird)
Other references
Witnessing the state of the Master after encountering the Warp Core, Ace commented that he had a 'face like a dropped pizza.' (AUDIO: Dust Breeding)
