evidence: Unlabeled propylene glycol, a form of antifreeze, lurks in commercial ice cream, risking health issues for those that consume it. [...] Antifreeze, then, is simply ice cream manufacturers’ answer to hard as a rock ice cream and the ice crystals that inevitably form as it is shipped long distances and moved between many different freezers before it finally makes it to your supermarket. [...] So, if you aren’t into eating antifreeze with your ice cream, check out my recipe plus a video demonstration on how to make healthy ice cream!