The freezer can be a lifesaver — the perfect place for leftovers you can't finish any time soon, in-a-pinch meals for the family, and sweet treats for hot summer days. And according to the USDA, food kept consistently at 0°F will always be safe — it's just the quality of the food that will suffer (read: It will be OK to eat, but it might not necessarily have the taste or texture you like).
That being said, not everyone's freezer is 100 percent consistent, and the temperature...