The invention relates to an electric household yogurt-maker, comprising an enclosure (1) accommodating at least one container (2) provided to receive a preparation of milk and ferments, a heating means (4), as well as a drive means (5) including a sensor (30) for measuring the temperature, a microprocessor (31) comprising at least one program for producing a fermented preparation, and a control device (32) comprising at least one control configuration for producing a type of fermented preparation. According to the invention, the microprocessor (31) comprises at least one other program for producing a fermented preparation and the control device (32) in the control configuration implements either the program for producing a fermented preparation, or one of the other programs for producing a fermented preparation on the basis of a temperature measured by the sensor (30). The invention also relates to a method for operating the aforementioned electric household yogurt-maker.
