Quote:
Originally Posted by srs123
Excuse my ignorance guys, but is it really safe to cook in a plastic bag? I mean boiling plastic would result in softening it and releasing some chemicals into the food. Zip lock bag brand rec9mmends not using their bags for cooking.
Am just wondering
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I agree to a degree..
Sous-vide is done at temps below the boiling point and generally speaking Zip-Lock brand is Dioxin free to 1500F. And Zip Lock claims to be microwave -safe. Other brands vary greatly- But remember-Microwave safe bags still require that you MUST vent them. This is NOT sous-vide.
The whole point of sous vide is to draw vacuum which alters the food being cooked at a very specific low temp to encourage enzymatic activity.
Cooking in a Zip Lock is NOT Sous Vide and is simply a Poor Boy hack to get people to buy the circulator and not incur the costs of the proper bags and vacuum sealer.
Food cooked in a Zip-Lock bag just sealed by dipping the bag in water could never give the same result as a proper sous-vide bag under vacuum. But it can give a marked improvement over traditional cooking if the correct temperatures are maintained.
Is there some value in cooking poor boy style in a bag-Yup- Some
Just because it is commonly done does not make it right.
And cheaper and off brand bags could absolutely be leaching chemicals into your food at certain temperatures.
Sous vide
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