The invention concerns a method for hygienically and automatically producing from a beverage dispensing device a frothed whitened beverage in a receptacle comprising upon the actuation of a command on the device the following operations controlled by a control unit of said device: —a. metering and delivering a pre-warming volume of heated water in a receptacle for prewarming a whitening food component already contained in the receptacle and forming a warmed liquid in said receptacle, —b. metering and delivering a frothing volume of heated water in the form of at least a pressurized jet directed toward the receptacle for frothing the warmed liquid, —c. producing and delivering in the receptacle a liquid mixture made of a second food component and a metered mixing volume of water. The invention also concerns a device for implementing said method.