Look, food goes in cellars. Everyone knows that. You definitely do, just like you definitely know what a parapet is, and you definitely know food goes in cellars. You cruise through the empty halls of the castle (everyone seems to be at the party) before you find access to the underground level. Armed with your porta-potty-trip flashlight, you look around the dark cellar. It seems it's filled with... yams? Multiple kinds at that.