I wanted to make the black and white angel food cake from the recent CL and was checking to see if I had everything. I found in the back of my pantry a carton of Hershey's cocoa. I'm not exactly sure how long I have had it but I'm guessing a year or two. I've since been using other cocoa powders I've had. I'm just wondering if the Hersey's or any cocoa goes bad? I didn't see any expiration date on the container, it smelled OK and looked OK but since it might be a few years since I used it was not sure if I should pitch it or use it. Any thoughts?