The invention relates to an electrical kitchen appliance comprising a pressing screw (7) rotated about a mainly vertical axis (15) in a work chamber having a food insertion chute communicating with the upper end of the pressing screw (7), and a discharge outlet. According to the invention, the pressing screw (7) comprises at least two main threads (71) providing at least two separate passages (72) for inserting food, each main thread (71) having a lower surface (73) extending over at least one quarter of the circumference of the pressing screw (7).
