How to Eat: Radicchio

This leafy chicory vegetable has just nine calories per cup and comes chock full of vitamin K and fiber. For a healthy yet satisfying snack, simply use the leaves as cups and fill with hummus, olive oil, and chickpeas-or, if you're feeling adventurous, add tzatziki and smoked salmon, says José Andrés, chef and owner of Beefsteak in Washington, D.C. Watch the video above to see how it's done!