a cooking appliance includes an oven cavity accessed through first and second french - style doors that are connected to the appliance through a door linkage system . the door linkage system establishes a particular timing of door openings and closings to minimize potential wear of a door gasket . that is , each of the doors has an associated gasket for use in sealing the oven cavity when the doors are closed . one of the doors is provided with an annular gasket , while the other door essentially incorporates a less that fully annular , preferably 3 - sided or a three - quarter gasket . with this arrangement , each of the gaskets has three sides adapted to seal against a cabinet shell portion of the appliance , while the fourth side of the first gasket is adapted to seal against an extension provided on the other door .