Ingredients:

  • 2 Tablespoons Unsalted Butter
  • 1 Tablespoon Olive Oil (or Rapeseed Oil)
  • 2 medium Leeks, white and light green parts only, thoroughly washed and finely sliced
  • 3 Garlic Cloves, minced or finely chopped
  • 1 teaspoon Dried Thyme
  • 1 large head Cauliflower, trimmed and cut into large florets (1 kg)
  • 4 cups Chicken or Vegetable Stock, low sodium (950 ml)
  • 1 teaspoon Salt, or to taste
  • ½ teaspoon White Pepper
  • ¼ teaspoon Freshly Grated Nutmeg
  • 4 Tablespoons Crème Fraîche (or Heavy Cream)
  • 4 oz Sharp Cheddar Cheese, grated
  • Truffle Oil (optional, for garnishing)
  • 1 Tablespoon Fresh Chives or Parsley, finely snipped (for garnishing)

Instructions:

  1. Prep the Vegetables: Dice the leeks (ensure they are properly washed to remove grit). Chop the cauliflower into uniform florets.
  2. Sauté the Aromatics: In a large saucepan, melt the butter and olive oil over medium heat. Add the sliced leeks and a pinch of salt. Cook gently for 8-10 minutes, stirring occasionally, until the leeks are soft and translucent (sweating). Do not allow them to brown.
  3. Bloom the Spices: Add the minced garlic and dried thyme. Cook for 1 minute until fragrant.
  4. Add Cauliflower and Stock: Tip the cauliflower florets into the pan. Stir well to coat them in the leek/garlic mixture. Pour in the stock, ensuring the liquid just covers the vegetables.
  5. Simmer: Bring the mixture to a boil, then immediately reduce the heat to low, cover the pan slightly, and simmer for 20-25 minutes. The cauliflower should be fork-tender and beginning to break down.
  6. Seasoning Check: Remove the pan from the heat. Stir in the salt, white pepper, and grated nutmeg.
  7. Blend: Using an immersion blender, carefully blend the soup directly in the pot until it is completely smooth and velvety. (Alternatively, transfer the soup in batches to a stand blender and blend until smooth.)
  8. Enrich the Soup: Return the blended soup to low heat. Stir in the grated sharp cheddar cheese and the crème fraîche (or heavy cream). Stir continuously until the cheese is fully melted and incorporated. Do not let the soup boil after adding the cheese/cream.
  9. Final Taste: Check the seasoning. Add more salt or pepper if needed.
  10. Serve Hot: Ladle the soup into bowls. Drizzle a few drops of high-quality truffle oil over the top of each serving and sprinkle with snipped chives or parsley.