Heating cooking apparatus

A heating cooking apparatus comprising:

• a heating cooking chamber where an object to be heated is accommodated;
• a heat supply unit configured to supply heat to an interior of the heating cooking chamber;
• a housing configured to accommodate the heating cooking chamber;
• a fan disposed in a space formed between an outer surface of the heating cooking chamber and an inner surface of the housing, and the fan configured to generate an air flow;
• a pull-out body configured to be pulled out freely relative to the heating cooking chamber;
• a slide rail attached to the outer surface of the heating cooking chamber and configured to slidably support the pull-out body;
• at least one air deflecting plate configured to guide the air flow to flow along the slide rail;
• and
• a support portion attached to the outer surface of the heating cooking chamber and configured to support the slide rail, wherein:
• the heat supply unit includes an air sending unit configured to supply hot air to the interior of the heating cooking chamber,
• the support portion includes a distribution portion configured to form an inner space where the air flow flows between the distribution portion and the outer surface of the heating cooking chamber, and
• the distribution portion includes two fixing portions where the slide rail is fixed, and a notched portion formed between the two fixing portions in a sliding direction where the pull-out body slides.