A safety timer device, for a cooking appliance connected to an energy source, the cooking appliance having a heat generating component in communication with a heat controller. A timer communicates with the heat controller configured to count down a predetermined cooking time. An alarm unit, in communication with the timer, is configured to communicate an alarm signal for a predetermined alarm time after the cooking time expires. An ON/OFF device in communication with the timer, the energy source and the heat generating component, is configured to disconnect the energy source from the heat generating component after the alarm time expires. A reset device in communication with the timer, the alarm unit and the ON/OFF device configured to reset the timer to the predetermined cooking time, terminate the alarm signal after the cooking time expires, and reconnect the energy source with the heat generating component after the alarm time expires.