A coffee beverage system is described including a coffee bean packaging cartridge and a coffee brewing apparatus. The packaging cartridge includes a container holding coffee beans and transportation component for transporting the coffee beans towards an exit opening of the cartridge. The coffee apparatus comprises a grinder for grinding the coffee beans from the cartridge and a brewing device for brewing coffee on the basis of ground coffee obtained by means of the grinder. The system is further provided with a metering chamber for receiving coffee beans which are transported with the aid of the transportation component into the metering chamber. In use, the metering chamber will hold a predetermined amount of coffee beans. The metering chamber comprises a bottom portion which forms a part of the grinder, said bottom portion being arranged in the coffee apparatus for rotating around an axis extending in a vertical direction.