And thanks to its deep purple color, red leaf lettuce can zhuzh up the aesthetic of your salad presentation, making it that much more appetizing. Read more: 12 Vegetables And Fruits That Used To ...

Next is the perennial, burger-topping iceberg lettuce. You'll need 33 cups of the stuff to get your daily Vitamin C. Our purple friend here is called radicchio. It's packed with more than 100% of ...