A griddle and a cooking appliance having a griddle are provided. The griddle may include a housing having an accommodation space formed therein and an open top, a heating plate formed to have a predetermined width and length and seated on a top of the housing, a burner provided in the housing to heat the heating plate, and a temperature sensor module provided in the housing to measure a temperature of the heating plate. The temperature sensor module may include a cover provided in the housing and having an accommodation space formed therein, and a temperature sensor provided in the housing with at least a portion thereof accommodated in the accommodation space of the cover to measure a temperature of an inside of the cover.