A device (1) for preparing a beverage includes an outlet opening (15) which flows into a storage tank (6) provided with a dispenser (17) for dispensing the beverage into a container. A control unit (7) supplies the beverage to the storage tank (6) in response to a signal from an operating unit (9) for at least two consecutive preparation cycles (B1, B2). The volume of the beverage prepared in at least two consecutive preparation cycles is supplied in a more or less constant and uninterrupted flow via the dispenser (17) of the storage tank (6) to the container.