also https://slate.com/human-interest/2012/05/how-to-cook-onions-why-recipe-writers-lie-and-lie-about-how-long-they-take-to-caramelize.html https://slate.com/hu

also https://slate.com/human-interest/2012/05/how-to-cook-onions-why-recipe-writers-lie-and-lie-about-how-long-they-take-to-caramelize.html https://slate.com/human-interest/2012/05/how-to-cook-onions-... (onions take more than 10 minutes to caramelize, but people filter for short cooking time, so the lie propagates)