Cajun food is a type of cuisine originating on Earth in the state of Louisiana – specifically New Orleans. Among the spices used in Cajun food is cayenne. (DS9: "Accession") Jambalaya is another type of Cajun food. (DS9: "Favor the Bold")
Trip Tucker once thought Cajun food was hot until he had his first taste of Haljaran. (ENT: "Oasis")
In an attempt to berate his doctor, who had criticized his lack of care of his health, Joseph Sisko complained that despite the fact that his doctor has been living in New Orleans for twenty years, he still couldn't tell the difference between Cajun food and Creole food. (DS9: "Homefront")
After preparing several specialty dishes for Nog, Sisko later considered offering Cajun-style tube grubs on his menu. (DS9: "Homefront")