A baking tray that includes a frame having a plurality of apertures formed therein; and a plurality of baking subunits, wherein each baking subunit further includes a concave baking surface of a predetermined size, wherein the end portions of each concave baking surface are solid and closed and wherein the middle portion of each concave baking surface further includes a plurality of perforations formed therein, and wherein each baking subunit is adapted to be disposed within one of the apertures formed in the frame.