A pack for preparing a food or beverage product is disclosed, as well as methods of use thereof. The pack includes an insert comprising at least one primary fluid inlet with aqueous and gaseous fluid injection inlets, as well as a container where the ingredient or ingredients are stored, wherein the aqueous fluid injection inlet and the gaseous fluid injection inlet communicate with the inner volume of the container. Also disclosed is a machine for use with the pack in preparing a food or beverage product, a system containing the pack and the machine, and methods of use of the system containing the pack and machine.