Soup

Soup was a form of food.

The Fourth Doctor described the Krynoid to be turning Charles Winlett's blood into vegetable soup. (DW: The Seeds of Doom)

Light turned Inspector Mackenzie into soup. (DW: Ghost Light)

The Seventh Doctor and Ace ate potato and leek soup. (NA: Cat's Cradle: Witch Mark)

The Seventh Doctor carried instant soup in his pockets. (NA: Parasite)

The Tenth Doctor carried a flask of soup made from the mayor of London's DNA. Time assassins were chasing him to try and destroy the soup, the wanted to wipe out the mayor’s lineage. The Doctor made a decoy soup to distract them. (DWM: Bus Stop)

During dinner at Eddison Manor, the Doctor laced the soup with pepper in order to catch a Vespiform. (DW: The Unicorn and the Wasp)

The Doctor warned Charlemagne to avoid the soup. (WC: The Lonely Computer)

Hebex and Eizcam created Prime Soup, a brand that contained living soup creatures in a special batch. (DWAM: In the Can)

Behind the scenes

 * The Doctor Who Cookbook contained a recipe for Patrick Troughton soup with Dalek Krotons.