Tomato sauce is an ingredient that we constantly seem to have on hand. Whether you want to cook a rapid weeknight pasta dinner or boost the flavor of beef chili or stew, tomato-based sauces will save the day. But it's necessary to know just how long pasta sauce lasts in the refrigerator. Follow to Barilla, unopened jars that pasta sauce should be stored in ~ room temperature in a cabinet or pantry. Once open, however, they need to be used quickly to prevent spoilage bacteria. "How long a jug of pasta sauce will last in the refrigerator might depend top top the ingredients used in the sauce, but you must refrigerate any kind of sauce the won't it is in cooked appropriate away to keep quality after ~ opening," claims Nicole Birmingham, senior vice president of research study and breakthrough at Rao's Homemade.

Ahead, food safety experts weigh in on just how long pasta sauce large in the refrigerator and offer storage tips because that both the refrigerator and freezer.

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Most jarred pasta sauces have actually a shelf life of around one year. However, once they're opened, they must be used quickly. "After opened a high-acid crate food, like a tomato sauce, it can be save safely in the frozen fridge for 5 to 7 days before being used," claims Shelley Feist, executive director of partnership because that Food safety and security Education. Aside from mold, there are no other visible signs that tomato sauce is previous its peak. "You can't see, smell, or taste the bacteria the can reason a foodborne illness," says Feist. She recommends always reheating sauce come 145 degrees prior to using it to kill any type of bacteria that is a result of gentle spoilage.

One method to retain the life that marinara sauce is through removing the from its original packaging. "While the is safe to keep the food in the can, it will retain far better flavor if transferred to a glass or plastic storage container," claims Fiest.

Because homemade tomato sauce isn't made through shelf-stable preservatives, it has a much shorter life in the refrigerator. Generally, homemade tomato sauce will certainly last for three to 5 days; however, as lengthy as that doesn't save cream or cheese, girlfriend can easily freeze that in airtight quart containers. "You have the right to freeze any kind of unused sauce in an airtight container, using within 6 months because that the ideal quality experience," says Birmingham.

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Homemade alfredo sauce, top top the various other hand, does no freeze and reheat well as result of the dairy products content. "Although it's no harmful to consume, the cream tends to shatter when you reheat alfredo sauce, which damages the texture," says Christopher Arturo, chef-instructor at the academy of cook Education. Store-bought alfredo sauce contains cornstarch, which helps the cheese to bind properly and also prevents separation as soon as reheated.