It might be useful to understand how this new panel cooker relates to my original Solar Panel Cooker (SPC) and Solar Cookers International's (SCI) derivative, the CooKit panel cooker. Figure one shows the SPC without its optional front panel. It consists of four panels with a inverted clear glass salad bowl resting over the cooking pot on the bottom horizontal panel. As SCI has shown, a plastic bag can be used in place of the glass bowl with very good results. Here are the main consequences of this design change: