A combination oven, comprising: a cooking cavity accessible via a door; a convection cooking system associated with the cooking cavity for heating the cooking cavity; a moisture delivery arrangement configured to deliver moisture into the cooking cavity; a controller configured to control the convection cooking system for a cooking operation in accordance with an operator selected temperature for the cooking operation and automatically define a humidity level setting for the cooking operation as a function of the operator selected temperature, characterised in that the combination oven further comprises an oven control interface including: an input configured to select temperature for the cooking operation; a display configured to display the selected temperature; a display configured to display the automatically defined humidity level for the cooking operation; an input configured to manually adjust humidity level to permit operator variance of the defined humidity level setting; an input configured to select duration for the cooking operation; wherein the controller and oven control interface are configured such that an operator can only set or select temperature, humidity level and duration for a cooking operation and the operator can only define a single stage cooking operation, a vent intake and exhaust arrangement configured to exhaust air from the cooking cavity while drawing in ambient air; wherein the controller is configured to automatically carry out a cavity vent operation at the end of the selected duration of the cooking operation, the controller configured such that during the cavity vent operation the controller will control the moisture delivery arrangement to cease addition of steam or moisture and turn on the vent intake and exhaust arrangement. a cooking cavity accessible via a door; a convection cooking system associated with the cooking cavity for heating the cooking cavity; a moisture delivery arrangement configured to deliver moisture into the cooking cavity; a controller configured to control the convection cooking system for a cooking operation in accordance with an operator selected temperature for the cooking operation and automatically define a humidity level setting for the cooking operation as a function of the operator selected temperature, characterised in that the combination oven further comprises an oven control interface including: an input configured to select temperature for the cooking operation; a display configured to display the selected temperature; a display configured to display the automatically defined humidity level an input configured to select temperature for the cooking operation; a display configured to display the selected temperature; a display configured to display the automatically defined humidity level for the cooking operation; an input configured to manually adjust humidity level to permit operator variance of the defined humidity level setting; an input configured to select duration for the cooking operation; an input configured to manually adjust humidity level to permit operator variance of the defined humidity level setting; an input configured to select duration for the cooking operation; wherein the controller and oven control interface are configured such that an operator can only set or select temperature, humidity level and duration for a cooking operation and the operator can only define a single stage cooking operation, a vent intake and exhaust arrangement configured to exhaust air from the cooking cavity while drawing in ambient air; wherein the controller is configured to automatically carry out a cavity vent operation at the end of the selected duration of the cooking operation, the controller configured such that during the cavity vent operation the controller will control the moisture delivery arrangement to cease addition of steam or moisture and turn on the vent intake and exhaust arrangement.