Heating cooking apparatus

A heating cooking apparatus comprising:

• a housing including an opening, opened toward a first direction, and an outer peripheral portion disposed on an outer periphery of the opening;
• a lid portion including a metal plate that is configured to open and close the opening;
• a guide rail disposed in the housing and extending in the first direction;
• a slide rail disposed on the lid portion and extending from the lid portion in a direction opposite to the first direction;
• and
• a hook attached to the lid portion to hook an upper portion of the lid portion to the housing when the lid portion closes the opening,
• wherein the metal plate includes a first face facing the first direction and a second face facing the direction opposite to the first direction,
• the slide rail includes:
• a main body portion configured to move relative to the guide rail, and
• a protruding portion protruding upward from an end portion of the main body portion on a metal plate side,
• the hook is disposed above the slide rail, and
• the protruding portion abuts against the first face of the metal plate from the direction opposite to the first direction.