A device for processing roasted coffee beans, including a unit for grinding the beans, and a method for processing coffee beans, wherein the coffee beans are ground and the temperature of the coffee to be ground, at least at the start of the grinding operation, is between 30° C. and 150° C., in particular between 35° C. and 100° C., preferably between 40° C. and 90° C., and more preferably between 40° C. and 60° C. For this purpose, the device includes a thermal unit.
