High efficiency wood-burning griddle cook stove

A plancha comprising:

• an upper surface;
• a lower surface;
• and
• a plurality of fin structures defined by the lower surface.

A plancha style stove comprising:

• a combustion chamber having an inlet and an outlet, wherein the inlet is substantially rectangular;
• a stack chamber having an inlet and an outlet, wherein the stack chamber is in fluid communication with the combustion chamber, wherein the inlet defines a cross-sectional area that is greater than a cross-sectional area of the combustion chamber inlet, and substantially equal to the cross-sectional area of the stack chamber outlet;
• a gas path chamber comprising a floor a ceiling, and sides, the gas path chamber in fluid communication with the stack chamber, wherein the floor defines an inlet in fluid communication with the combustion chamber inlet, and an outlet, wherein the ceiling of the gas path chamber is defined by an underside of a plancha;
• the plancha defining a upper side for cooking and the underside defining a plurality of fin structures for transferring and distributing heat from the gas path chamber and the upper surface of the plancha, wherein the plancha defines a rear end with a thickness that is less than a thickness of the front end;
• a chimney box having an inlet and an outlet, the chimney box in fluid communication with the gas path chamber;
• and
• a chimney comprising an inlet and an outlet, wherein the chimney is in fluid communication with the chimney box.