The present invention provides a mini-device (100) for roasting coffee beans comprising a drum (110) rotating about a horizontal axis for roasting a predetermined small amount of coffee beans, a stand (130) for supporting said drum (110) over a heating means (170), a means (150) for rotating the drum (110), a cover (120) for closing open end of the drum (110), and an opening means (190) for removing chaff only separated from the coffee berries during roasting. Thus the present invention allows roasting small amount of the coffee beans as per the user requirements at home thereby allowing user to take real taste of the coffee beans.
