Kale leaves have a central stem and are big, green, and ruffled. The leaves should not be wilted or mushy, but rather firm and dry. Taste: The flavor of kale is slightly earthy and green, with a hint of cabbage. Texture: Kale's texture is firm and crunchy. Uses: Kale can be sautéed, steamed, steam-cooked, or added to vegetable sides and garden salads. Nutrition: Compared to many other foods, kale has a higher nutritional content per calorie. Storage: If you wrap the kale loosely, you can keep it in the refrigerator for up to 5 days. Kale preparation involves grabbing the stem at the base and pulling the leaves upward and away to remove the stem. Additionally, you can chop and cook the stems.