Mac and cheese can still be safe to eat for a short period after the "best if used by" date, typically 1 to 3 months, if it has been stored properly. However, the quality may decline in terms of flavor and texture. Always check for signs of spoilage, such as off smells or visible mold, before consuming. If it's a packaged version, refer to the manufacturer's guidelines for the best advice.
Sour cream is usually safe to eat for about 1-2 weeks after the best by date, as long as it looks and smells normal.
About 1 week to 2 weeks
14 days!!
Sour cream is usually safe to eat for about 1-2 weeks after the best by date if it has been stored properly in the refrigerator.
On the very bottom of every bottle is a Best if used by DATE.
It is generally safe to drink beer past its best by date, as long as it has been stored properly. However, the taste and quality may not be as good as when it was fresh.
your mom date
Until it's best before date. NO LONGER. You cannot risk it at all with poultry.
About 6 months after the date.
Well it really depens on how long it was after the due-date if it was a week its o-k and if it was a month well it might not be to good to eat!
Until the expiration date.
That could depend how far past the sell by date it has gone. Whether or not you should eat it will be your decision.