Star Trek: TOS/AOS
Crossover
Need To Know by Ellen Fremedon
'Taste, he'd said; and the first analogy he'd leapt to had been one of criticism—of appreciation. This wasn't just a metallurgical sample to the kid; it was a gourmet meal, or a box of truffles.' Ellen explores what it means for Jack Harkness to be pansexual, with some really unusual food porn (ST:TOS/Whoniverse)
[Added 16/10/2015; Romance/Erotica; 6000-20,000; Star Trek: TOS/AOS; Characters: Jack Harkness (Whoniverse), Dahai Lohor Naraht, Montgomery Scott, James T. Kirk; Crossover]