Leeks and green onions share many similarities, including their looks and flavor profiles. However, they shouldn't be used interchangeably. Here's why.

Place the onions and leeks on a serving platter, sprinkle with black pepper and thyme, and drizzle with olive oil. The onions and leeks can be prepared in advance and served at room temperature.

In addition, leeks are rich in polyphenols (another type of plant pigment with antioxidant properties), allicin (a beneficial ...

Place in a casserole and drizzle with oil. Season with salt ... in a saucepan and add the celery and leek. Cook gently for 10 minutes then add the cooked onion, stock and potato.