Bread can be eaten past the expiration date if you freeze it; just look out for mold. (Martin Bureau / AFP Getty Images)
If stale, crackers and chips can be crisped up in the toaster oven. If they smell odd, though, throw them out. (Ricardo DeAratanha / Los Angeles Times)
It’s OK to eat the lettuce if it’s wilting, just not decaying. (Justin Sullivan / Getty Images)