A dispenser for frozen soft serve confections comprises a refrigerated dispensing cabinet. One or more rigid cartridges containing frozen soft serve confection are releasably mounted within the interior of the dispensing cabinet. A valve assembly comprises a valve plunger housing and a valve plunger. The housing is mounted within the interior of the dispenser cabinet and comprises an entrance port for receiving frozen soft serve confection from the cartridge and a bore which intersects with the entrance port. The valve plunger is slideably disposed within the bore. The plunger has an elongated body with a hollow interior chamber, a rearward entrance opening and a forward exit opening. The valve plunger extends through the wall of the dispensing cabinet and the exit opening is outside of the dispensing cabinet. The valve plunger is afforded lengthwise movement within the bore between an open position wherein the entrance opening of the valve plunger is aligned with the entrance port of the housing and frozen soft serve confection is allowed to flow through the entrance port of the housing and the valve plunger and a closed position wherein the plunger blocks the flow of frozen soft serve confection through the entrance port of the housing.