Frozen butter lasts up to 9 months longer. Again, folks need to understand the difference between at-home and professional usage. This is a clue that this is no longer safe for use. I usually give canned goods like this up to a year after the best by date on the unopened can or jar. Answer Save. i LOVED it!! Butter lasts about 2 weeks after its expiration date. Deli Meat. Five Farms Irish Cream – The company says Five Farms is good for a shelf life of 3 years unopened… If it smells fine and was sealed I'd use it. Merrys Irish Cream Liqueur – Merrys cites a sealed shelf life of 18 months from the date of production, refrigerated or not. Your unopened foundation can last for up to 3 years if stored well, but once it is past the expiration date, always check the smell, consistency, and color. ), and these were use-by dated January 15. If milk does spoil, it will look discolored with a lumpy texture and dispel a sour odor. I just dumped three gallons of milk, at work, cuz they didn't rotate the stock (again! Is unopened ice cream safe to eat after the "expiration" date on the package? Lv 4. 1 decade ago. Packaged lunch meats last about 7-10 days past the best by date, whereas fresh meats will last around 5-6 days longer. You may even notice an oil forming and not mixing right into the foundation. If the jar is opened, I may give up to 6 months past the best by date, depending upon the product. Butter. Favorite Answer. A week past use-by date sounds a bit conservative, Ed. Yes, if properly stored - commercially packaged ice cream will typically carry a "Best By," "Best if Used By," Best Before, or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the ice cream will remain at peak quality. Although non-fat milk can last between seven and 10 days, you can keep whole milk five to seven days past the date on the carton. Since my unopened, backup products may not actually last forever, I might as well just enjoy them now rather than try to save them for later. Relevance. porkupine. How long can you keep marshmallow creme that's never been opened past the expiration date? 1 0. Canned whipped cream can last up to three months past its printed date. If unopened, shelf-stable, non-dairy kinds of milk keep much longer — up to a month past the sell-by date. is it made in usa? Cool whip only lasts about 7-10 days. In fact, I'm pretty sure I did this week. 6 Answers. I didn't check the date but I know I bought it before Shavuot (because that's the last time I bought sour cream; they were 6 or 8 for 10 shekel; this was the last of the bunch). After opening, it lasts 6 months, refrigerated. Check out the liner seal under the lid - if it is still sealed and flat, you are probably ok. oooooh we had that in the uk for a short while but alas no more--what make is it please? If it's unopened you should get at least several weeks past the use-by date. would last for a long time as sugar mostly. If it is more than a year, then I throw it out.