An oven (A) for maintaining cooked foods at serving or cooking temperatureshas a cabinet (26) containing multiple heat sinks (46)of channel shaped configuration, which open out of the cabinet (26) to receivea food tray (B) from the cabinet (26) front (28) or back (30).The heat sinks (4b) have heating elements extending along their sides andbottom, and each has a cover (80) to close or vent the tray (B)top while in the heat sink (46).
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