A griddle for cooking a food product includes an upper surface, a lower surface, a first side, a second side, a front side and a rear side. A serpentine passageway is formed on the lower surface. A collector tank is juxtaposed and secured directly in touching contact with the lower surface adjacent to the first side of the griddle and is in communication with the serpentine passageway. A boiler is juxtaposed and secured directly in touching contact with the lower surface adjacent to the second side of the griddle and is in communication with the serpentine passageway. Heat applied directly to at least one of the collector tank and the boiler for heating a fluid disposed therein and supplying the heated fluid to the serpentine passageway for providing heat for cooking a food product disposed on the upper surface of the griddle.