Potato Leek Soup

User Reviews

5

129 reviews
Excellent
  • Prep Time

    5 mins

  • Cook Time

    55 mins

  • Total Time

    1 hr

  • Servings

    6 servings

  • Calories

    242 kcal

  • Course

    Soup

  • Cuisine

    American

Potato Leek Soup

Potato Leek Soup features tender Yukon gold potatoes and softened leeks simmered in vegetable broth, with aromatics like garlic and thyme. After blending to smoothness, sour cream adds richness and creaminess. It’s a comforting, velvety soup served garnished with fresh watercress and toast or crostini on the side, providing a mild, soothing flavor ideal for cooler days.

Description

Potato Leek Soup starts with cooking leeks slowly in olive oil to bring out their mild onion flavor. Minced garlic, diced Yukon gold potatoes, dried thyme, salt, and pepper are added and briefly cooked to meld the flavors. The mixture is then simmered with vegetable broth and bay leaves until the potatoes are fully tender.

Blending the soup creates a smooth, creamy texture without chunks. Folding in sour cream adds a subtle tang and richness that rounds out the earthiness of potatoes and the mild sweetness of leeks. Fresh watercress adds a peppery brightness as garnish, while toast or crostini provide a crunchy contrast and an easy accompaniment to the soup.

This soup makes a gentle, filling starter or light meal. It can be adjusted for seasoning to taste and stays well refrigerated. The recipe’s use of vegetable broth keeps it vegetarian-friendly and the ingredients are simple to source. The layered flavors from the slow-cooked leeks, aromatic herbs, and creamy sour cream create a warming bowl that comforts without heaviness.

Leftover soup can be stored in an airtight container in the fridge for 4-5 days or frozen for up to 3 months. Reheat gently to prevent separation, either in the microwave or on the stovetop, stirring occasionally.

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Ingredients

Servings
  • 2 tablespoons olive oil
  • 4 leek white and light green parts only, roughly chopped (about 5 cups, large
  • 3 garlic minced, cloves
  • 2 pounds potato peeled and chopped, Yukon gold variety
  • 1 teaspoon salt
  • ¼ teaspoon black pepper
  • ½ teaspoon thyme dried
  • 6 cups vegetable broth low sodium
  • 2 bay leaf
  • ½ cup sour cream
  • watercress for serving, fresh
  • toast for serving
  • Crostini for serving

Instructions

  1. Heat the oil in a large stockpot or dutch oven over medium heat.
  2. Add the leeks, and cook, stirring occasionally, until the leeks begin to soften, about 10 minutes. Next, add the garlic, potatoes, thyme, salt and pepper, and cook for about 5 minutes.
  3. Add the vegetable broth and bay leaves, and bring to a boil. Reduce the heat to low, and simmer for 30 to 40 minutes, or until the vegetables are tender.
  4. Use an immersion blender to blend until smooth and consistent without any vegetable chunks. Fold in the sour cream and adjust seasoning to your taste.
  5. Serve with fresh watercress and toast, if desired

Notes

  • Leftovers can be stored in an airtight container in the fridge for 4-5 days to maintain freshness.
  • The soup freezes well for up to 3 months; thaw overnight in the fridge before reheating or microwave directly from frozen until hot.

Nutrition Information

Show Details
Serving 1g Calories 242kcal (12%) Carbohydrates 31g (10%) Protein 9g (18%) Fat 10g (15%) Saturated Fat 3g (15%) Cholesterol 9mg (3%) Sodium 501mg (21%) Potassium 967mg (21%) Fiber 4g (16%) Sugar 3g (6%) Vitamin A 1110IU (22%) Vitamin C 25mg (28%) Calcium 114mg (11%) Iron 6.7mg (37%)

Nutrition Facts

Serving: 6servings

Amount Per Serving

Calories 242 kcal

% Daily Value*

Serving 1g
Calories 242kcal 12%
Carbohydrates 31g 10%
Protein 9g 18%
Fat 10g 15%
Saturated Fat 3g 15%
Cholesterol 9mg 3%
Sodium 501mg 21%
Potassium 967mg 21%
Fiber 4g 16%
Sugar 3g 6%
Vitamin A 1110IU 22%
Vitamin C 25mg 28%
Calcium 114mg 11%
Iron 6.7mg 37%

* Percent Daily Values are based on a 2,000 calorie diet.

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5

129 reviews
Excellent

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