Abstract: The effect of roasting coffee beans by steaming oven was verified through the research and comparative experiment. The results show that the best process parameters for roasting coffee beans in a steam oven are as follows: 100 g green coffee beans, three-stage roasting, fan speed 1500 r/min, 180 ℃/6 min; 200 ℃/12 min; 230 ℃/6 min. The coffee roasted under this cooking condition can achieve similar quality to the finished coffee sold on the market, and provide a new application scenario for the rotary roasting cage accessories, increase the value of the accessories, but also provide a simple solution for users to roast coffee beans at home, and provide a new roasting solution for the market.

Key words: Combisteam oven, Roast, Coffee beans, Quality verification