How Long Does Pasta Salad Last In The Fridge?

A light pasta salad is a refreshing addition to a picnic or barbecue teeming with heavier, beefy fare, but it is not unusual to see some leftovers when the day ends. It isn't for lack of appeal — when dried noodles boil, they take on water and double in volume, often leaving you with more food than anticipated. Fortunately, this abundance of cold salad makes for a delightful snack later, but it won't last in the fridge forever.

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As a general rule, pasta salad can last three to five days in the refrigerator, but there are other factors to consider before assuming you have the work week to finish it. If it's been sitting at room temperature for more than two hours, it has served its purpose and needs to be thrown out because of safety concerns. When the temperatures rise to 90 degrees Fahrenheit or above, this time frame is cut in half, so the Mediterranean mix everyone is complimenting during a sweltering July cookout is only edible for one hour if left out in the open, unless you're cleverly keeping it on ice

It's not just the temperature that affects the shelf life. Avoiding common mistakes when making pasta salad is one way to ensure it stays good for as long as possible, but there's more to it than temperature. Even if you properly rinse the pasta and do everything else right, certain ingredients can influence its longevity.

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What's inside determines how long pasta salad will last

The ingredients used to dress your pasta salad play a crucial role in determining how long it will last for future lunches. Dressings with a low pH level, like an Italian vinaigrette, give the dish more durability than dairy-based coatings commonly used in variations like macaroni salad because they discourage bacterial growth. Any version that is made with milk or mayo should be eaten within three days to be on the safe side.

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If the goodies mixed into your pasta salad are only fresh veggies — and it is dressed with something acidic – you shouldn't notice any quality issues until five days have passed. Once you add meat to the dish, the shelf life decreases. Pasta salad that incorporates protein, such as chicken or tuna, should be eaten within three or four days.

When putting it in the fridge for storage, you want to use a solid plastic container with an airtight lid that air won't be able to penetrate. It also helps to keep it in the back of the refrigerator where food stays its coldest. But even when you think you've taken all the necessary steps to guarantee your pasta salad has its best shot at a longer life, bacteria could find its way in and ruin your dish. If you open the container and something smells off or has an odd discoloration, it's probably best to toss it.

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What about store-bought pasta salad?

Pasta salad scooped up from the deli counter should be consumed quickly — within one or two days to be safe. Some commercially produced varieties that are vacuum sealed last longer because of their packaging and the added preservatives they contain. These will come with a "best by" date on the package – different than the expiration date, which indicates when it actually it goes bad.

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If you go a little overboard and cook enough pasta salad to feed an army with no troops in sight, you can technically freeze it, but you will lose the quality and freshness that makes it great. When stored in an airtight freezer-safe container, pasta salad will last for a month or two in the freezer. It is likely to become mushy when it thaws, so it's best to avoid freezing it if possible.

To get the most out of a batch of pasta salad at a barbecue, consider putting out a little at a time. Bring out smaller batches and replenish as needed from the fridge to ensure it remains fresh for as long as possible. This keeps it safe from the warm temperatures that can cause it to harbor bacteria, but it will also preserve the cold temperature that makes for a refreshing contrast to all the hot food it is sharing table space with.

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