Leek

Leeks, which are stalks from an onion-like plant in the allium family of vegetables, are full of flavonoid antioxidants, minerals and vitamins. A one-cup serving will provide a hefty dose of vitamin K, manganese, vitamin B6, iron, folate and vitamin C.M
 
Lees has very few calories per portion. What's more, leeks are a good source of water and fiber, which may prevent hunger, promote feelings of fullness, and help you naturally eat less.