Celery
From Memory Alpha, the free Star Trek reference
Celery is a plant that is native to Earth. It is most often chopped up and used in stews and salads.
T'Pol had a salad with celery, which she ate, cut up, with a knife and a fork. (ENT: "The Andorian Incident")
Naomi Wildman planned to use carrots and celery to build a tetragon, an assignment given to her by Seven of Nine. (VOY: "Memorial")
When the replicators in the mess hall of Voyager had trouble replicating items with high levels of cellulose, Neelix mentioned that it was causing celery to be replicated with a yellowish hue. (VOY: "Deadlock")
