Chocolate cake

 was a baked dessert.

The Doctor's fifth incarnation once offered to take Peri and Erimem to Barstabon, a planet renown for their Masterbakers, in order to partake of some of the universe's best chocolate cake. (BFA: The Church and the Crown) A later incarnation recalled this event with pleasure. (BFA: Bang-Bang-A-Boom!)

Evelyn Smythe was herself a master baker of this type of cake, and the Doctor's sixth self found her particular recipe delectable. In fact, one of the inducements he used to get her to travel with him was the promise that they would go to Mexico or Havana just to pick up some specialty chocolate for her to use. (BFA: The Marian Conspiracy) After her travels in the Doctor's TARDIS had ended, she would later tell the health-conscious Melanie Bush that the Doctor should occasionally be allowed some chocolate cake as a reward. (BFA: Thicker than Water)