Melt the butter in a large stockpot over low heat. Add the leeks, onion and potatoes, cover, and cook for 10 minutes. Season with salt and pepper.
1 tablespoon butter, 3 leeks, 1 onion, 5 medium potatoes, Salt and pepper
Pour in the chicken broth and spices, bring to a boil, then reduce the heat and simmer, partially covered, for 30 minutes.
½ teaspoon dried marjoram, ¼ teaspoon dried thyme, 5 cups chicken broth, 2 bay leaves
Once cooked, remove the bay leaves and purée the soup using a blender or food processor. Let it cool to room temperature, then stir in the cream.
¼ cup heavy whipping cream
Place the oil into a small fry pan and bring to medium heat. Once the oil is about 180ºC (350°F), add the leek and fry them until crispy. Transfer to a plate lined with a paper towel to drain.
1 leek, 2 tablespoons olive oil
Garnish the soup with the crispy leeks, herbs, cream and green onions.
Green onions