A kitchen appliance (100) is disclosed comprising a compartment (110) for receiving flour, said compartment comprising a sensor (120) for producing a sensor reading indicative of a dielectric property of said flour or a product comprising said flour. The kitchen appliance further comprises a processing arrangement (130) communicatively coupled to the sensor for determining an initial moisture content of said flour or product from said sensor reading and adapted to generate a control signal indicative of an amount of water to be added to the compartment as a function of the determined moisture content. A method of controlling a flour product-based food preparation process is also disclosed.
