This article needs a big cleanup.
Do any of these stories actually SAY "biscuits and cakes are made out of flour"?
These problems might be so great that the article's factual accuracy has been compromised. Talk about it here or check the revision history or Manual of Style for more information.
Flour was a powder created by grinding certain types of plants.
A biscuit was a baked flour-based food often served with tea. (TV: The Invasion, Victory of the Daleks, The Last Precinct)
By 2018, Salamander's Sun Store technology had turned Ukraine into "the grain field of the planet". Although a large area had been devastated just two years earlier, robot harvesters gathered fifty million tons of flour, and corn grew on both banks of the Dnieper River. (TV: The Enemy of the World)
A cake was a baked dessert, typically made of flour and eggs and often bearing some sort of frosting. (AUDIO: The Marian Conspiracy)
The Eleventh Doctor stopped a soup creature by thickening it with flour. (COMIC: In the Can)