A gas-fired cooking apparatus, comprising a cooking compartment inside which one or more burners are inserted, gas supply source being suitable to supply gas to the one or more burners, further comprising elements for regulating the flow of gas that arrives from the gas supply source arranged in series between the gas supply source and the one or more burners, a control element being adapted to detect internal and external temperature conditions of the cooking compartment in order to regulate the flow of gas through the regulator elements, to one or more burners, so as to maintain the cooking temperature constant at a value preset by the user.