Systems and methods for an oven include a housing, a heating chamber positioned within the housing, at least one oven door to provide access to the heating chamber, an external nesting rack positionable on or near the housing, and a movable cook surface, the movable cook surface movable between a position within the heating chamber and a position at least partially external to the heating chamber, such that when the movable cook surface is in the position at least partially external to the heating chamber, the movable cook surface is positioned at least partially recessed below a top surface of the external nesting rack. One or more heat packs can be included to provide variable forms of heat to the heating chamber.