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Cooking & Baking

sl8

(16,670 posts)

6. One or two hours, but the mayo isn't the problem.

Reply to no_hypocrisy (Original post)

Tue Jul 1, 2025, 07:42 PM

Jul 1

https://www.southernliving.com/how-long-you-can-leave-your-potato-salad-out-11712839#:

Commercial mayo is very inhospitable to bacteria, but the same isn't true for the potatoes and other ingredients. The mixture in the salad can go off very quickly when warm.

On edit:
Safety of room temperature commercial mayo, alone:
https://www.foodsafety.gov/keep-food-safe/foodkeeper-app

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Highlight:

How long does mayonnaise (like in potato salad, macaroni salad, tuna salad) [View all] no_hypocrisy Jul 1 OP

about 37 seconds. ret5hd Jul 1 #1

LOL. In this heat you're probably right. 2MuchNoise Jul 1 #2

some parts of the country you can only... ret5hd Jul 1 #7

LOL 2MuchNoise Jul 1 #8

Personally I err on the side of caution but here's a nice guide Ritabert Jul 1 #3

I would recommend keeping something like that out for JMCKUSICK Jul 1 #4

Depends on how warm it is Alice Kramden Jul 1 #5

One or two hours, but the mayo isn't the problem. sl8 Jul 1 #6

Its density of mayo and salad, and salt percentage Akakoji Jul 1 #9

Rule of thumb we used to live by was moniss Jul 1 #10

I had a cooking teacher who told us because of the vinegar in the mayonnaise applegrove Jul 1 #11

Mayonnaise is poison immediately upon being made into mayonnaise mahina Jul 1 #12

It's not the mayo that is the big danger...it's the potatoes Trueblue Texan Jul 2 #13

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