List Of Cooking In Plastic Bag References. Avoid using regular plastic bags, as they can release harmful chemicals. However, you shouldn’t use a single ziploc bag when cooking in water temperatures above 158°f because the heat can cause the bag to open at the seams and expose your food to the water.

To ensure food safety while cooking with plastic bags, start by selecting bags that are designated for food use and appropriate for your. Avoid using regular plastic bags, as they can release harmful chemicals. If you remain hesitant to try cooking sous vide due to concerns over plastic, you can always use canning jars instead, but beware that cooking times will be longer.