Fruits are not a part of the ketogenic diet because of their higher carbohydrate and sugar content. "Starchy" vegetables contain carbohydrates and are not a part of the ketogenic diet. However, avocado is a part of the diet thanks to its high-fat content. Since then, Roker has lost 40 pounds thanks to a bunch of fat-filled recipes, which he shares with fans on Instagram and the Today show. Thanks for letting me know it was missing!