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Leaving grated parmesan cheese out

Clarissa Dec 17, 2006 05:16 PM

I have this big bag of Trader Joe's grated parmesan and left it out for a day and night, in a pretty warm kitchen. Can I still use it? The package says it's made from raw milk, if that's relevant.

Thanks for any help.

  1. Davwud Dec 18, 2006 12:39 PM

    I always have a nice chunk of parm in the fridge. Always grate as I go and save the rinds for sauces and such.


    3 Replies
    1. re: Davwud
      Clarissa Dec 18, 2006 05:56 PM

      I do always keep a chunk of parmesan in the fridge, and grate it whenever I need a little. My mom bought me this grated parmesan last time she was at TJ's. It's fine and has come in pretty handy, but I admit I prefer the smaller shavings I get with my microplane when I do my own grating. This is thicker, the way it might be when I grate cheese in my food processor for major recipes.

      1. re: Clarissa
        newallie Nov 25, 2007 05:36 PM

        What do you do when a chunk of parmesan has dried right out? Is there any way to use it?

        1. re: newallie
          sweetTooth Nov 26, 2007 04:31 PM

          I'd try to use it just like I would use the rinds in a soup. However, I'm guessing it'll be pretty hard to cut that chunk into smaller pieces. A little bit of rind goes a long way. I've a pretty large dried one in my fridge myself - not sure I want to risk damaging my knife or hurting myself cutting into that hard chunk.

    2. m
      MakingSense Dec 17, 2006 09:38 PM

      What you have is OK to use but those big bags of grated parmesan tend to mold quickly due to the large surface area. Blue spots will appear throughout the bag. It's best used for cooking or bought when you need a lot for a big party - more than you feel like grating by hand.
      If you don't use it up quickly, freeze it in heavy Zip-Lock bags. It will last for a couple of months in the freezer.
      If you want Parmesan for daily use, buy the piece and grate it as you need it. Only takes a minute or two with the microplane and makes all the difference in the world. The piece keeps well if properly stored.

      1 Reply
      1. re: MakingSense
        Humbucker Dec 18, 2006 05:49 AM

        I've kept pre-grated parmesan (not the fake Kraft stuff) stored in the refrigerator in a tupperware container for several months without it going bad. I think the trick is just making sure you keep the container air tight.

      2. r
        RiJaAr Dec 17, 2006 09:33 PM

        hmm, i leave lots of cheeses out at room temp on my cheese plate.. hasn't hurt anything yet

        1 Reply
        1. re: RiJaAr
          merrymc Dec 18, 2006 12:53 PM

          When I lived in France many friends I ate with kept their cheese plates out at room temperature for several days running. They said it added ripeness to the flavor. I never got sick eating the cheese, and I'm sure there were raw milk cheeses in there. I think you're OK on just a day and a night.

        2. Candy Dec 17, 2006 09:13 PM

          Most good cheeses are better off not being refrigerated when you can avoid it. The runny types need refrigeration but are also better at room temp.

          1. c
            Clarissa Dec 17, 2006 06:03 PM

            Thanks so much for your replies. I'm glad I don't have to toss it.

            1. chef chicklet Dec 17, 2006 05:49 PM

              Even if it is dried, if you want to cook with it you can. It's okay.

              1 Reply
              1. re: chef chicklet
                MMRuth Dec 17, 2006 06:12 PM

                Good point ...

              2. MMRuth Dec 17, 2006 05:29 PM

                If it's not dried out, I wouldn't worry about using it.

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