Yucca can be cooked pretty much the same way as potatoes. The roots of yucca are rich in starch and the leaves contain cyanide. By rinsing and cooking yucca, you can reduce your risk of ingesting.
It may seem absurd, but getting poisoned by consuming toxic foods is much easier than one might think. Potatoes, red beans, fresh milk: here are the foods that must always be cooked before being served.