Collapsible and portable outdoor oven

A collapsible and portable outdoor oven, comprising:

• a front wall having an upper edge, a first side edge and a second side edge, the front wall having at least one opening at least one of the upper edge, the first side edge and the second side edge having one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots;
• a rear wall having an upper edge, a front edge and a rear edge, at least one of the upper edge, the front edge and the rear edge having one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots;
• a top wall having a front edge, a rear edge, a first side edge and a second side edge, at least one of the front edge, the rear edge, the first side edge and the second side edge having one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots;
• a first side wall having a front edge, a rear edge and an upper edge, at least one of the upper edge, the front edge and the rear edge having one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots;
• a second side wall having a front edge, a rear edge and an upper edge, at least one of the upper edge, the front edge and the rear edge having one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots;
• at least one of the upper edge of the front wall, the upper edge of the rear wall, the upper edge of the first side wall and the upper edge of the second side wall having at least one horizontally extending exhaust slot positioned adjacent to the respective upper edge;
• at least one of the upper edge of the front wall, the upper edge of the rear wall, the upper edge of the first side wall and the upper edge of the second side wall having at least one upwardly and outwardly extending baffle positioned adjacent to the respective upper edge on an inner surface of the respective upper edge;
• at least one internal cavity communicating with the at least one opening of the front wall and having a rear inner wall, a first inner side wall, a second inner side wall and a lower inner surface, at least one of the first side wall, the second side wall, the rear side wall and the lower surface comprised of a plurality of refractory brick elements;
• at least one door element, the at least one door element adapted to cover the at least one opening of the front wall;
• wherein at least one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the upper edge of the rear wall are securely received by a corresponding other of the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the rear edge of the top wall, the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the first side edge of the rear wall are securely received by a corresponding other of the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the rear edge of the first side wall, the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the second side edge of the rear wall are securely received by a corresponding other of the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the rear edge of the second side wall, the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the upper edge of the front wall are securely received by a corresponding other of the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the front edge of the top wall, the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the first side edge of the front wall are securely received by a corresponding other of the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the front edge of the first side wall, the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the second side edge of the front wall are securely received by a corresponding other of the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the front edge of the second side wall, the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the first side edge of the top wall are securely received by a corresponding other of the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the upper edge of the first side wall, and the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the second side edge of the top wall are securely received by a corresponding other of the one of a plurality of longitudinally aligned angular tabs and a plurality of longitudinally aligned slots of the upper edge of the second side wall.