PROBLEM TO BE SOLVED: To provide a method for roasting coffee beans giving coffee having characteristic flavor and taste of coffee bean to the utmost limit.SOLUTION: Green coffee beans are mixed and contacted with fermented green coffee beans and the mixed beans are roasted.COPYRIGHT: (C)2011,JPO&INPIT【課題】コーヒー豆本来の香りや風味を最大限に有するコーヒーを得ることができるコーヒー豆の焙煎方法を提供する。【解決手段】コーヒー生豆に醗酵コーヒー生豆を混合接触させた後、混合焙煎を行う。【選択図】なし