The present invention relates to a roasting method of roasting partially roasted coffee beans； the roasting method comprises the steps of: obtaining a roast level of the partially roasted coffee beans； determining a roasting profile for roasting based on at least the roast level of the partially roasted coffee beans prior to roasting； and roasting the partially roasted coffee beans according to the determined roasting profile. The present invention also proposes a method of making coffee, a roasting device and a coffee machine providing a segmented roasting solution.
