Cup for a device for preparing a frozen food product from a liquid mixture and the device

A device for preparing a frozen food product from a liquid mixture, the device comprising:

• a cup in which the frozen food product is to be prepared from the liquid mixture;
• a cup holder comprising a cavity receiving the cup, wherein the cup holder comprises a first upper surface surrounding an entrance opening of the cavity;
• a cooling unit configured for cooling the cavity of the cup holder;
• and
• a stirring unit configured for stirring the liquid mixture in the cup with a stirring element for preparing the frozen food product, wherein the stirring unit comprises a drive system for driving the stirring motion of the stirring element in the cup;
• wherein the cup extends a predetermined distance above the first upper surface of the cup holder, wherein the cup comprises at its top a circumferential flange, wherein the circumferential flange is provided with at least one first extension, wherein the cup holder is provided on the first upper surface with at least one first protrusion extending upwards from the first upper surface, wherein the at least one first extension and the at least one first protrusion are arranged such that the at least one first extension contacts the at least one first protrusion such that it is configured to prevent rotation of the cup in the cavity.