Turkey Tacos Print 5 LikeDislike By Dr. Terry Wahls This recipe isn’t a typical skillet recipe because instead of preparing your greens with the other ingredients in a stockpot or large skillet, you use the greens as a taco “shell”. Butter lettuce and Boston lettuce or other greens, like mature curly kale or collard leaves work well.Dr. Terry Wahls is a clinical professor of medicine at the University of Iowa and a pioneer in functional medicine. She reversed her own MS through food, and is now helping others do the same in The Wahls Protocol Cooking for Life – a cookbook to treat all autoimmune conditions. Preorder the book for even more free recipes.