Spring Leek Soup with Gruyere Toasts

Spring Leek Soup with Gruyere Toasts

4 servings
Spring Leek Soup is the perfect way to celebrate the tender leeks of spring! Think of this soup as the delicate cousin of French Onion soup. Both soups are topped with an oversized, melted cheese covered crouton, but instead of the deep, dark broth of French Onion soup, this leek soup has a light buttery broth and is prepared in a fraction of the time - 20 minutes from start to finish.

Ingredients

  • 2 tablespoons butter
  • 3 large leeks

    white and light green parts, sliced in half lengthwise, rinsed and thinly sliced crosswise

  • pinch fine sea salt
  • 4 cups chicken stock
  • pinch ground white pepper
  • 1/2 Meyer Lemon

    juice and zest

  • 4

    1/2- inch slices crusty bread), toasted (I used whole wheat levain

  • 3 ounces Gruyere cheese

    shredded

  • 1 green onion)

    thinly sliced (for garnish

Directions

  1. 1

    Preheat broiler.

  2. 2

    Melt butter in a large saucepan over medium heat.

  3. 3

    Add leeks and a pinch of sea salt, to help sweat out the liquid. Cook and stir until leeks are tender but not brown, about 3 minutes.

  4. 4

    Add stock and white pepper, bring to boil. Stir in lemon juice and zest. Remove from heat and season to taste with salt and white pepper.

  5. 5

    Ladle soup into 4 broiler-safe serving bowls. Place one slice of toasted bread over each serving, pressing it down to submerge. Divide cheese evenly, sprinkling it over each toast.

  6. 6

    Place bowls under broiler and broil until cheese is melted and bubbly.

  7. 7

    If desired, garnish each serving with green onion. Serve.

Spring Leek Soup with Gruyere Toasts

Spring Leek Soup with Gruyere Toasts

20 min4 servings

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About this Recipe

Craving a comforting, elegant soup that feels fancy but comes together with incredible speed? This Spring Leek Soup with Gruyere Toasts is your answer, transforming tender spring leeks into a culinary delight in just 20 minutes.

This recipe stands out as the delicate, brighter cousin to a classic French Onion soup. While both feature an irresistible, cheese-covered crouton, this leek soup offers a light, buttery broth that lets the fresh flavor of leeks truly shine. It’s a testament to how simple, quality ingredients can create profound flavor without hours of simmering.

Prepare for a spoonful of pure comfort. You’ll experience the creamy, tender texture of perfectly cooked leeks swimming in a bright, savory chicken stock, subtly lifted by a touch of Meyer lemon. Each bite is balanced by the crunchy, toasted bread, topped with a luscious layer of melted, bubbly Gruyere cheese. It’s a harmonious blend of textures and nuanced flavors—light yet satisfying, making it a surprisingly refined dish that’s incredibly easy to achieve in your own kitchen.

Looking for ways to make it your own? While the recipe calls for Gruyere, any good melting cheese like Fontina could offer a similar experience if you're in a pinch. You can also easily make this a vegetarian meal by swapping the chicken stock for a good quality vegetable stock. Feel free to experiment with different varieties of crusty bread for your toasts, from a rustic sourdough to a hearty whole wheat levain.

This elegant soup is perfect as a light lunch, a sophisticated starter for a dinner party, or a comforting weeknight meal. Serve it immediately, ensuring each bowl gets a generous, golden Gruyere-topped toast.

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