There's a quiet sense of satisfaction that comes with placing an unhealthy treat back on the supermarket shelf in favour of its low-calorie, slightly less fun alternative.
Chard, beet greens, spinach, and Chinese cabbage (such as napa cabbage, bok choy, and tatsoi) may not have the perfect 100/100 nutrient density score of watercress, but they all come close at 86 ...