Go Back
+ servings
Sarah

Potato Leek Soup Recipe (Classic French-Style)

Silky, comforting potato-leek soup with sweet sautéed leeks and buttery potatoes. Naturally creamy without heavy cream—weeknight simple and dinner-party elegant, with Instant Pot and slow cooker options.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 6 servings
Course: Dinner, Soup
Cuisine: American, French-Inspired
Calories: 250

Ingredients

  • 3 large leeks, white & light green parts only, thinly sliced (about 4 cups)
  • 2 Tbsp unsalted butter (or olive oil for dairy-free)
  • 1 medium rib celery, diced (optional)
  • 2 cloves garlic, minced
  • ½ cup dry white wine (optional)
  • 2 lb Yukon Gold potatoes, peeled and ½-inch diced
  • 4 cups low-sodium vegetable broth
  • 1 cup whole milk (or 2% for lighter)
  • 1 bay leaf
  • ½ tsp dried thyme (or 1 tsp fresh)
  • 1–1¼ tsp kosher salt, to taste
  • ½ tsp black pepper
  • 1–2 Tbsp crème fraîche or Greek yogurt, for finishing (optional)
  • Chopped fresh chives, olive oil, and croutons, for serving

Equipment

  • 5–6 qt pot or Dutch oven
  • immersion blender
  • fine mesh strainer optional, for chive oil
  • cutting board
  • chef's knife
  • measuring cups
  • measuring spoons

Method

  • Melt butter in a large pot over medium heat. Add leeks, celery, and a pinch of salt; cook 7–8 minutes until soft but not browned. Stir in garlic 30 seconds.
  • Pour in wine (if using); simmer 1–2 minutes to reduce.
  • Add potatoes, broth, bay leaf, thyme, 1 tsp salt, and pepper. Bring to a boil, then simmer 12–15 minutes until potatoes are tender.
  • Remove bay leaf. Blend with an immersion blender until smooth (or blend half for some texture).
  • Stir in milk over low heat; do not boil. Taste and adjust seasoning.
  • Off heat, swirl in crème fraîche or yogurt if using. Serve with chives, olive oil, and croutons.

Nutrition

Calories: 250kcalCarbohydrates: 38gProtein: 7gFat: 9gSaturated Fat: 4gPolyunsaturated Fat: 1gMonounsaturated Fat: 2gCholesterol: 15mgSodium: 560mgPotassium: 680mgFiber: 4gSugar: 6gVitamin A: 900IUVitamin C: 13mgCalcium: 110mgIron: 1.6mg

Notes

Vegetarian / Dairy-Free: Use olive oil; swap milk for unsweetened oat or cashew milk; skip crème fraîche.
Gluten-Free: No flour needed—blend to thicken.
Equipment: 5–6 qt pot or Dutch oven; immersion blender; fine-mesh strainer (for chive oil, optional).
Lemon option: Add 1 tsp lemon juice or ½ tsp zest at the end to brighten.
Tried this recipe?Mention @WPRecipeMaker or tag #wprecipemaker!