Mozzarella, tofu come with a liquid, I think is whey. Is it useful in any way? has this any culinary value?


3 Answers 3


The purpose of this liquid is to prevent the cheese or tofu from drying out. Its main use is for storage, not for consumption. If you don't consume the cheese at once after opening the original package, you are supposed to transfer the liquid into a storage container, or replace/fill up with water.

There are people who drink the whey, because they like the taste. There isn't much to be said here; they pour it into a glass and drink, without further preparation.

Otherwise, any recipe which uses water can use whey instead. The taste difference for mild wheys such as mozzarella and tofu whey will be very slight, almost unnoticeable. There is nothing special to take into account, except a small probability that you won't like the taste and would prefer to use water instead. There is no way to predict whether you will find the taste harmonious: it is a personal preference.

A known use for the whey created during cheese making is to make ricotta. It will not work with tofu whey, and I don't think it will work with the liquid in commercial mozzarella packaging either; you'd have to make your own cheese to get the necessary type of whey for ricotta.

  • 5
    The liquid used to keep mozzarella and tofu isn't always whey, often it is just water or a mild brine solution. Commented Mar 29, 2014 at 16:37
  • 1
    @Didgeridrew I was unsure about this (never knew what exactly they put inside, from the taste it could have been either), but then noticed that the answer doesn't change between brine and whey, so posted it anyway.
    – rumtscho
    Commented Mar 31, 2014 at 19:17

Another use I've heard is to use instead of water in breadmaking. It acts as a preservative.

  • That sounds strange. Can you back this up with 'evidence'?
    – user34961
    Commented Jun 21, 2017 at 7:21
  • Yes, you are right. You can make some bread using whey and I should say that it is really good. Commented May 6, 2021 at 15:51

I have put a small quantity of tofu water/whey in breadmaking once. I believe it is the ingredient that made my bread rise higher.

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