Salad with celery sticks
Celery was a vegetable that was native to Earth. It was most often chopped up and used in stews and salads. It contained high amounts of cellulose. (VOY: "Deadlock")
In June 2151, celery was among the vegetables in a salad Sub-commander T'Pol ate with a knife and a fork in the mess hall while having a conversation with Doctor Phlox who later gave her the advice to use her hand for eating celery sticks. (ENT: "The Andorian Incident")
The call sheet's props section requested especially celery for this scene.
When the replicators in the mess hall of USS Voyager had trouble replicating items with high levels of cellulose in 2372, Neelix mentioned that it was causing celery to be replicated with a yellowish hue. (VOY: "Deadlock")
Naomi Wildman planned to use carrots and celery to build a tetragon, an assignment given to her by Seven of Nine in 2376. (VOY: "Memorial")