Some people believe that healthy foods are tasteless and boring, but nothing could be further from the truth. The next time you’re craving something tasty, opt for a watercress soup or salad. Watercress is an often overlooked leafy green that packs a powerful nutrient punch. Its small, round leaves and edible stems have a peppery, slightly spicy flavour. Watercress is low in calories but packs a vast array of nutrients.