Doughnut

A donut (sometimes spelled doughnut) was a food item from Earth. Chris Cwej had some donuts and an espresso in Canada in 2040. (PROSE: The Nuclear Option)

The Fourth Doctor was in the mood for donuts when he landed on Vita Novus. After Madame Karna was defeated, Sibella Bing gave the Doctor a bag of donuts in gratitude. (AUDIO: The Beautiful People)

Ace gave Melanie Bush the nickname "Donut". (TV: Dragonfire; AUDIO: A Life of Crime, Fiesta of the Damned)