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Not all balsamic vinegars have sulfites, but many less expensive choices do. â¢ Heat sweetens balsamic vinegar and boils out acidity. If you want to mellow out the flavor, heat it. If not, use it without heat or add at the very end of the cooking process.
Storing balsamic vinegar. Balsamic vinegar should be stored like any other vinegar. That is, it should be kept in a cool, dry area, away from light. Therefore, most people keep it in the pantry, as it seems to be the best choice. Heat and light will affect the taste of balsamic vinegar, so do your best to keep it away from them.