The present invention relates to methods for preparing a powdered food product and powdered food products obtainable by the methods and provided with a porous membrane. There are also disclosed methods for preparing a food stock and food stocks obtainable by the methods, as well as methods for preparing a food broth, food broths obtainable by the methods, and a device for preparing such food broths. The methods and products obtainable by the methods find utility in the culinary field of preparing stocks and broths.
