Seriouseats did another article later about how to use a pressure cooker: http://www.seriouseats.com/2016/01/the-food-lab-pressure-cooker-caramelized-onions-oni

Seriouseats did another article later about how to use a pressure cooker: http://www.seriouseats.com/2016/01/the-food-lab-pressure-cooker-caramelized-onions-onion-soup.html http://www.seriouseats.com/2016/01/the-food-lab-pressure-coo... It's not as fast, but it's still only half an hour and the flavor is deeper and richer.