Cast Iron Kale (Crispy and Juicy) Join my Patreon Community for free to get video notifications: https://www.patreon.com/helenrennie How to Preheat Different Skillet Types: https://youtu.be/YLfsq7GRE9w My cooking classes in the Boston area: http://www.helenrennie.com INSTAGRAM: https://www.instagram.com/helen.rennie