Cajun microwave
n.— «Another “cold” smoker, commonly called a “cajun microwave” was welded to the back. Coals are place in a tray atop the smoker that looks something like an insulated metal cooler.» —“Key to great barbecue? Low and slow” by Jan Norris Palm Beach Post (Florida) Mar. 23, 2006. (source: Double-Tongued Dictionary)