It's been a while since we've seen a potato chip salad, but it's here again. This time, we're going to talk about the different types of food that can be heated in a boiling water bath. We're talking about food that's already been dipped in the boiling water, like potato chips and instant noodles. The only thing that can't be dipped in boiling water is polypropylene, which is the most common type of food-packaging material