Potato Leek Soup


Ludovic Lefebvre doesn’t automatically reach for the chicken stock when making this velvety leek soup. Water is optimal for clean, vegetable-focused taste; stock adds its own poultry-rich flavor, color and richness. Serves 4.


  • 3 cups thinly sliced leeks, white and light green parts only
  • 5 cups diced French fingerling potatoes
  • 6 or 7 cups water or chicken stock
  • Kosher salt
  • 1/2 cup heavy cream or crème fraîche

In a large saucepan, combine the leeks and potatoes with 6 cups of the water. Bring to a boil, season with salt and simmer over moderately low heat, partially covered, until the potatoes are tender, 20 to 30 minutes. In a blender, puree the soup in batches until very smooth. Return it to the pan and, if needed, add up to 1 cup of water to loosen. Add the cream and season with salt. Warm over moderate heat until heated through. Ladle into bowls and serve. Add chives and parsley for garnish.

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