The present invention relates to a method for obtaining information onfood stuff (20) in or for a cooking process comprising the steps of:a) detecting an electrical impedance (Z) or at least one componentthereof in a, preferably inner, region of the food stuff (20),b) deriving from said detected impedance or component thereofinformation about the age or freshness of the food stuff (20),c) providing said information about the age or freshness to a userinterface and/or to an information output unit and/or to a control unit forcontrolling the cooking process, in particular for adapting the cookingtime and/or cooking temperature dependent on this information about theage or freshness.
