PROBLEM TO BE SOLVED: To provide a method of producing roasted nuts by superheated steam which is capable of continuously producing roasted nuts without break or crack, wherein the roasted nuts obtained are especially tasty. SOLUTION: The roasted cashew nuts are produced without discharging the superheated steam 7 from openings (an inlet 4 and an outlet 5) of a roast chamber 1 when continuously roasting cashew nuts P carried into the roast chamber 1 of an open system by a conveyor 6, with the superheated steam 7 jetted from above and below the cashew nuts P. COPYRIGHT: (C)2013,JPO&INPIT