By its leafy appearance, you might think sorrel would taste like grassy spinach, but it actually has a bright, lemony flavour. Add some to mild mixed greens for a bit of zing, or blend it into a creamy soup this spring. One cup packs in more than your daily needs of vitamin A and C to keep your immune system healthy. “It’s high in a nice little variety of antioxidants,” says Nolan Cohn. Sorrel is also loaded with heart-and muscle-healthy potassium, plus iron help to your body deliver oxygen through your body. Check out these other vegetarian iron sources.