Walmart sells these frosted "oatmeal" cookies that are pretty amazing and cost like a dollar for a package.  I say "oatmeal" because I doubt there's even a single oat-related ingredient in them, but I digress.  I found out by accident that if you let them sit out for a day or two after you open the package, they quickly become stale and mushy, thus making them taste even better.  Now I buy these cookies and intentionally "age" them because they're that much better when they're stale.  It's the same with mint Life Savers (though sometimes they come "pre-staled") and of course Peeps (which get harder instead of softer).  There's probably some health concerns regarding eating stale foods, but as I say for a growing number of questionable activities, I've done it before, and I'm not dead yet. #food