Steam it just long enough to produce tender, bright green leaves. Undercooking can result in chewy, bitter kale, while overcooking turns it mushy, dull looking and malodorous.
Should kale be boiled or steamed?
How to cook kale. Kale is most commonly boiled or steamed. For whole leaves, rinse, then put them in a pan without shaking the water off, cover, then cook for up to 2 minutes, until wilted. Drain thoroughly.
Is it bad to steam kale?
As a result, for those who prefer cooked kale, steaming it for a short duration may be the best way to preserve its nutrient levels. Kale is a nutrient-dense food that's high in several vitamins, minerals, and antioxidants.