Potato Leek Soup

Name: Potato Leek Soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 8 serving
Ingredients: 4 large leeks; 3 tablespoons unsalted butter; 1 teaspoon sea salt; freshly ground black pepper; 2 pounds Yukon gold potatoes or yellow potatoes; 3 garlic cloves; 6 cups Leek Top Broth (below) or vegetable broth; 3 fresh thyme sprigs; 1 cup milk or heavy cream; 1 tablespoon fresh lemon juice; chopped fresh chives; 4 large leeks; 12 cups water; 8 fresh thyme sprigs; 5 garlic cloves; 1 tablespoon sea salt; 1 tablespoon black peppercorns

User Reviews

5.0

372 reviews

Excellent

Prep Time
15 mins
Cook Time
15 mins
Total Time
45 mins
Servings
8
Course
Soup
Cuisine
French, American

Potato Leek Soup

Iris Warren

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This potato leek soup recipe is one of our favorite meals throughout the fall and winter. It's creamy, flavorful, and easy to make. Any vegetable broth will work here, but I especially love the quick leek top broth below. It intensifies the sweet, oniony flavor of this simple soup.

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Ingredients

Servings

For the soup

4 large leeks about 2½ pounds, white and light green parts only
3 tablespoons unsalted butter
1 teaspoon sea salt
freshly ground black pepper
2 pounds Yukon gold potatoes or yellow potatoes chopped
3 garlic cloves grated
6 cups Leek Top Broth (below) or vegetable broth
3 fresh thyme sprigs bundled
1 cup milk or heavy cream
1 tablespoon fresh lemon juice optional
chopped fresh chives for garnish

Optional Leek Top Broth

4 large leeks about 2½ pounds, dark green tops only
12 cups water
8 fresh thyme sprigs
5 garlic cloves smashed
1 tablespoon sea salt
1 tablespoon black peppercorns

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Instructions

Optional: Make the leek top broth. Cut the dark green tops off the leeks. Wash well and add to a large pot with the water, thyme, garlic, salt, and peppercorns. Bring to a boil over high heat, then reduce the heat and simmer for 30 minutes. Strain and measure 6 cups broth for the soup. Freeze the remaining broth or store it in the refrigerator for another use.
Make the soup: Chop the white and light green parts of the leeks. Wash well.
Heat the butter in a large pot or Dutch oven over medium heat. Add the leeks, salt, and several grinds of pepper and cook for 8 to 10 minutes, stirring occasionally, or until the leeks are soft. If the leeks start browning before they soften, reduce the heat.
Add the potatoes, garlic, broth, and thyme and simmer for 20 minutes, or until the potatoes are very soft. Remove the thyme, then use an immersion blender or transfer the soup to an upright blender to blend until smooth. Return the soup to the pot and stir in the milk. Season to taste, adding the lemon juice, if desired.
Garnish with chives and serve.