A device (I) for preparing foods received in a vessel (2), in particular ready meals, the device (1) including a steam generator unit for generating steam, and a steam delivery unit (4) which is connected to the steam generator unit in a steam-conducting manner via a steam feed line (23) and which has a steam probe (5) with at least one steam discharge opening, wherein the device (1) has a coupling mechanism (10) which includes a locking mechanism and which releasably connects the steam delivery unit (4) to the steam feed line.