Described is a machine for making liquid and/or semi-liquid products for the ice cream, pastry or catering trade, characterized in that it comprises: a processing container (3) forming a processing chamber (4) for making an ice cream product； a stirrer (5) mounted inside the processing chamber (4)； a thermal treatment system (13) provided with at least one heat exchanger (15) associated with the processing container (3), for exchanging heat with the container (3)； a feed unit (9) comprising a container (201) containing a basic preparation (P) for an ice cream, pastry or catering product, and a pressurized gaseous fluid injection device (30) configured to inject the gaseous fluid into the container (201) in such a way as to cause the basic preparation (P) to be expelled from the container (201) and transferred to the processing container (3)； a diluting liquid injection device (12) for delivering a diluting liquid.
