This invention is related to a griddle plate for a gas grill and especially to a griddle plate which controls the heat from the gas grill flames with a grate on the bottom side thereof which grate forms a cooking container support for baking goods on the gas grill when the griddle plate is turned bottom side up. The grate on the bottom side of the griddle plate also allows for heating only a portion of the griddle plate cooking surface by controlling the burners in the gas grill.