Patent ID: 7987772

Claim:
A device for cooking food, comprising: a cooking device having a heatable cooking surface; a passive heater, comprising: a carriage actuatable to move along said cooking surface; and a cover connected to said carriage by a connection, whereby actuation of said carriage moves said cover along the cooking surface, said cover having a bottom surface, said cover selectively moveable relative to said cooking surface between a lowered position in which said bottom surface of said cover contacts said cooking surface, an intermediate position in which said bottom surface of said cover is spaced from said cooking surface by a first predetermined distance, and a lifted position in which said bottom surface of said cover is spaced from said cooking surface by a second predetermined distance, said second predetermined distance greater than said first predetermined distance, said connection operable to selectively retain said cover in one of said lowered position, said intermediate position and said lifted position, whereby heat is retained between said cover and the cooking surface.