Fuente: WIPO "tomato" A method for generating a culinary knowledge base includes determining user actions during preparation of a dish and determining (205, 215) a first cooking recipe. The first cooking recipe includes preparation steps which are similar to the user actions. A second cooking recipe is generated. The second cooking recipe includes preparation steps that match the user actions for preparing the dish. The second cooking recipe is stored as a variant of the first cooking recipe. A kitchen appliance, a service device and a system for generating a culinary knowledge base, are also provided.