An Eskarian egg was a type of ovum from the Delta Quadrant.

In 2372, Neelix discovered evidence that someone aboard the USS Voyager was secretly communicating with the Kazon. Lieutenant Tuvok told him to withdraw as it would interfere with his own investigation. Neelix however persisted, remarking to himself that Tuvok will "have Eskarian egg on his face when I get to the heart of this." (VOY: "Investigations")

According to the Star Trek Cookbook (p. 268), Eskarian eggs were the primary ingredient for Neelix' "Jimbalian seven-world omelette."
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