Galley Slave mw-8

When the Kzinti take over of a patrol ship in the vicinity of Earth, a female crew dietician helps to defeat the invaders by reprogramming the food synthesizers to weaken her foes.
First published in Analog in August 1996, this is an “authorized Man-Kzin Wars story” set in Larry Niven’s universe and part volume VIII of “Man-Kzin Wars” series.