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Creamy Leek and Potato Soup

This leek and potato soup is a comforting, silky dish made by gently simmering sliced leeks and chopped potatoes in broth until tender. Blended until smooth, it offers a warm, velvety texture with a subtle sweetness from the leeks and richness from the cream. The final appearance is a glossy, pale soup with a lush consistency, perfect for cozy days.
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings: 4
Course: Main Course
Cuisine: Comfort Food
Calories: 250
Ingredients Equipment Method Notes

Ingredients
  

  • 2 large leeks white and light green parts only
  • 3 medium potatoes Russet or Yukon Gold
  • 4 cups vegetable or chicken broth preferably low sodium
  • 1/2 cup heavy cream or coconut milk for vegan option
  • 2 tablespoons butter or olive oil
  • 1 teaspoon fresh thyme chopped
  • to taste salt
  • to taste black pepper
  • optional lemon juice for brightness

Equipment

  • Large heavy-bottomed pot
  • Sharp knife and chopping board
  • Immersion blender or regular blender
  • Ladle

Method
 

  1. Trim off the dark green tops and root end of the leeks, then slice them in half lengthwise and chop into thin half-moons. Rinse thoroughly under cold water to remove any grit. Peel the potatoes and chop into 2-3 cm pieces. Set both aside.
  2. Place your large pot over medium heat and add the butter. Once melted and shimmering, add the chopped leeks. Cook gently, stirring occasionally, until they become translucent and fragrant—about 8-10 minutes, filling the kitchen with a sweet, earthy aroma.
  3. Add the chopped potatoes to the pot, stirring to coat them with the leek mixture. Cook for another 2 minutes until slightly softened.
  4. Pour in the broth, ensuring it covers the vegetables. Bring the mixture to a gentle boil, then lower the heat to maintain a simmer. Cover partially and cook for about 20 minutes, or until the potatoes are fork-tender and the leeks are very soft.
  5. Remove the pot from heat and carefully blend the soup until completely smooth using an immersion blender. If using a regular blender, work in batches and vent the lid to prevent splashes. The soup should become silky and velvety, with a glossy finish.
  6. Stir in the heavy cream and chopped thyme. Taste the soup and season with salt and black pepper as needed. For a bright note, add a squeeze of lemon juice if desired. Warm through for another 2 minutes.
  7. Ladle the hot, creamy soup into bowls, drizzling a little extra cream or a sprinkle of herbs on top if you like. Serve immediately with crusty bread for a cozy, satisfying meal.

Notes

For extra flavor, caramelize the leeks slowly over low heat. Use an immersion blender for the smoothest texture and minimal mess. Adjust seasoning carefully, tasting before serving to perfect the flavor balance.