Ham was a type of meat product.
The Fifth Doctor once ate a ham sandwich. (AUDIO: Winter for the Adept)
Samantha Jones didn't like ham because her mother packed her lunches with it until she was eight. (PROSE: Beltempest)
Eugene Jones ordered two eggs, ham and chips every single day at a local café. (TV: Random Shoes)
Idris Hopper liked ham and pineapple on his pizza. (PROSE: The Twilight Streets)
The Eleventh Doctor used ham when making himself and Craig Owens an omelette. Craig remarked that it was the most enjoyable thing he had ever tasted. (TV: The Lodger)