Kale, or leaf cabbage, belongs to a group of cabbage cultivars grown for their edible leaves. It is a cruciferous vegetable like cabbage, broccoli and cauliflower. Kale is frequently called “the queen of greens” and “a nutritional powerhouse.”As a winter vegetable, kale is a delicious choice in the cold months when other cruciferous options are less available. It tastes absolutely delicious and makes a great crunchy, super healthy snack. At the end of the day, kale is definitely one of the healthiest and most nutritious foods on the planet.