COOKING APPARATUS

A cooling appliance is provided. The cooking appliance includes a main body defining a cooking chamber, and a food-treatment material chamber which is separated from the cooking chamber and is open to outside the main body at an opening, and including an outer surface having a stepped portion at the opening, a food-treatment container accommodated in the food-treatment material chamber and accessible from outside of the food-treatment material chamber, via the opening, storing a food-treatment material, a food-treatment material supplier supplying the food-treatment material from the food-treatment material chamber to the cooking chamber, a door coupled to the main body and opening and closing the food-treatment material chamber, at the opening, and a door adjuster connected to the door, extended along the outer surface of the main body at the opening, and adjusting a planar position of the door at the opening to compensate the stepped portion of the outer surface of the main body.