Sugar
Sugar was a natural sweetener found on the planet Earth. It was frequently added to drinks like coffee and tea, and was the basis for many deserts, such as chocolate cake. A
In January 1918, the United Kingdom began rationing sugar in response to the pressures of World War I. (PROSE: Casualties of War)
A type of sugar was sucrose. (AUDIO: Sweet Salvation)
In 1963, the Seventh Doctor chatted with John about how tea with sugar was different from tea without sugar. (TV: Remembrance of the Daleks)
By 1965, Professor Rachel Jensen never took sugar in either tea or coffee. (AUDIO: Sins of the Fathers)
In the 1970s, the Third Doctor stopped the Multi-Mobile by putting sugar cubes in its petrol tank. (COMIC: The Multi-Mobile)
The Cybermen poisoned the sugar in the Gravitron's employees' coffee in 2070. (TV: The Moonbase)
The Ninth Doctor drank his tea with two sugars. (TV: The Unquiet Dead)
Jackie Tyler took two sugars in her tea. Her parallel double did the same. (TV: Rise of the Cybermen)
The Twelfth Doctor had sugar with his tea when UNIT was taking him to the Valiant. (TV: Death in Heaven)