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Oct 18, 2013 07:30 AM

Tomato Soup Left out Overnight

I forgot to fridge some tomato soup that we made last night. It had canned tomato juice, water, some vegetables, beans and pasta, no meat byproducts whatsoever.

I don't think it would be an issue but curious to know if there's any risk of bacteria even if minimal. It was left out for about 10 hours, I would think that it would have taken at least a few hours just to get to room temperature, so it probably only spent 5-7 hours at room temp.

Heck I've left raw rib steaks out overnight and never had an issue.

If Ruhlman can leave chicken stock out for days I can't see tomato juice for a few hours being an issue.

Should I have any concerns?


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  1. Was it covered the whole time. If I have a large pot of something I'll just bring it up to a simmer, cover and leave sealed overnight, etc.

    You may also have to worry about it fermenting. I made a bean stew once and forgot to put in the fridge. Woke up the next morning to find it sitting on the counter to cool before putting in the fridge. Lifted the lid to see it foaming and smelling slightly of alcohol.


    1 Reply
    1. re: Davwud

      It was covered.

      I was in a rush this morning so didn't even get to touch it to see if was still possibly warm. I just tossed it in Tupperware and into the fridge.

    2. I agree with Davwud's post about the fermenting beans; that has happened to me, too.

      My first reaction, if it were just soup without the pasta/veg left covered overnight,would be to bring it up to a boil, let it boil vigorously for 10-12 minutes, etc. I would, however, want to also boil the pasta/veg/beans and I wouldn't want the pasta and veg to turn to mush.

      It's your call.

      1. Wouldnt be worrying me.

          1. Taste it to see if it's sour but I doubt it has turned so refrigerate and eat later.