Burger

A burger was a sandwich containing a meat patty in a bun.

Frobisher once took on the form of a burger after falling into a bin. A homeless man found him in the bin, assumed he was a normal burger, and bit him. (DWM: The Shape Shifter)

The Sixth Doctor bought a burger while waiting for repairs to his TARDIS to be completed. He ate next to Kane who displayed his ability to move objects via thought on the burger. (DWM: Kane's Story)

In the middle of a salad dinner aboard the Doctor's TARDIS, Peri Brown once found herself in a dimension modelled upon a combination of the Alice in Wonderland book she had been reading and the salad she had been eating. After a frightening experience in that world which nearly saw her executed for the crime of eating vegetables, Peri went off her salad and decided to prepare burgers and chips instead. (DWM: Salad Daze)

One type of burger was the kronkburger. (DW: The Long Game; NSA: Judgement of the Judoon, The Resurrection Casket, The Last Dodo; DWM: The Iron Legion)