A method prepares and dispenses a beverage with a dispensing device. The device includes a housing with a beverage unit having a liquid line, a pressure controller to control liquid line pressure, and an ingredient container receiving means. The content of the ingredient container is in fluid communication with a liquid line to mix the ingredient container contents with a base liquid in the liquid line. The device further includes an ingredient container identification unit and a processor coupled for controlling the pressure controller. The method includes providing an ingredient container in the device, identifying the ingredient container, providing a base liquid, and mixing the contents of the ingredient container with the base liquid dispensing the prepared beverage. The pressure in the liquid line changes from a first pressure level to a second pressure level by the pressure controller during mixing and dispensing of the beverage.