A machine for making and dispensing food products, such as ice cream products, cake and pastry fillings and the like, comprising an outer casing (2), a chamber (3) for processing the product to be dispensed, a thermal treatment unit (20) connected to the chamber (3) and a stirrer (17) located inside the chamber (3) for mixing the product being processed; the machine (1) is also fitted with a steam washing and sanitising device (24), in which a boiler (33) for producing steam is connected to a flexible element (35) for feeding a steam dispenser gun (36); the boiler (33) is contained inside the casing (2) from which the flexible element (35) can be removed.