On Wednesday, July 8, 2015 at 1:35:54 PM UTC-4, KenK wrote:
> I have two bags of store-brand finely shredded sharp cheddar. They were in
> the refrigerator 'Crisper' drawer. One is normal, as I purchaded it - loose
> cheese shreds. In the other unopened package the cheese has formed a hard
> oval lump. Is there and way to salvage this as shredded cheese, or do I
> have to use it as lump of regular unshredded firm cheddar cheese and slice
> it to use it?
>
> Anyone have any ideas why this happened?
>
> TIA


I'd give it the taste test, and if it passes to your satisfaction, then I'd try to shred or grate it. If that fails, then just gnaw on it as time goes by.

It must be the fridge gremlin at work again, is my guess as to cause.