Mizuna is a type of Japanese mustard green, but unlike other mustard greens it's much more mild. Mizuna (水菜) means 'water green' in Japanese, and when you eat it, you can see why! Its crunchy and mild; a bit reminiscent of ice berg lettuce. It's also very versatile. You can eat it as a salad, pan fry it with vegetables, or add it to hot pot.