Oven and method for operating an oven, comprising an On/Off-key (4), at least one key (3, 5) for choosing a predefined oven function or for choosing a predefined oven program and/or for programming a not predefined oven program, at least one specific key (6), which enables the user to start a preferred oven function or a preferred oven program from an Off-mode or a Standby-mode of the oven, wherein a running oven function or a running oven program can be saved by a memory unit as a preferred oven function or as a preferred oven program, when the specific key (6) is actuated at least for a predetermined period of time.