03-07-2014 10:51 PM
03-07-2014 11:04 PM
It's whether or not it's changed colour, if blue or green it's probably better not to use it.
04-07-2014 12:30 AM
http://everydaylife.globalpost.com/sour-cream-goes-bad-20509.html
04-07-2014 11:10 AM
You would see coagulation and maybe smells a bit off. Phewwwwww.