Food or beverage preparation machine, configured to receive and process a capsule so as to prepare a food or beverage product, and comprising i) a dose of a food or beverage ingredient and ii) a container enclosing the dose and composed of at least one dissolvable material,
- wherein the food or beverage preparation machine comprises an opening unit configured to be placed in an opening configuration in which the opening unit cooperates with an openable part of the container so as to open the container sufficiently for the dose to be separable from the container, the opening unit being preferably configured to move between i) a rest configuration and ii) the opening configuration.