A device (1) for preparing emulsified milk, which is substantially cup-shaped and comprises:—a glass-like receptacle (2) receiving the milk to be emulsified—an impeller (32) arranged within the receptacle (2) and driven by an electric motor (6)—a heating resistor (8) for heating the walls of the receptacle (2)—contacts (71, 72) for transmitting a power supply to the motor (6) and to the resistor (8)—a glass-like external casing (4) which hermetically houses the transmitting contacts (71, 72), hermetically connected with the receptacle (2) and it also substantially glass-shaped, wherein the device (1) is apt to be used by the user as a cup for drinking the prepared beverage
