Spaghetti sauces come in a variety of different kinds.
You may have also noticed marinara sauces with wine in them.
Originating in Naples, Italy, the humble spaghetti sauce has a colorful history (viaSpice Station Silverlake).

They can vary depending on the brand and kind of sauce.
There are also some warning signs to look out for before you use that opened can of spaghetti sauce.
Homemade sauces might spoil faster because they don’t contain preservatives.

Any time the sauce spends sitting on a counter at room temperature is an invitation for bacterial activity.
Once in the fridge, the spaghetti sauce should remain fresh for 3-10 days, perCully’s Kitchen.
