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Asparagus Soup with Lemon, Peas, and Cream Recipe

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4.2 from 14 reviews

A creamy and vibrant Asparagus Soup that combines fresh leeks, asparagus, peas, and aromatic thyme into a smooth, comforting dish. Enhanced with a splash of lemon juice and optionally richened with heavy cream, this easy-to-make soup is perfect for spring or any time you crave a healthy, flavorful starter or light meal.

Ingredients

Main Ingredients

  • 3 tablespoons unsalted butter
  • 3 small-medium leeks, white and light green parts only, or 1 medium yellow onion, chopped
  • 1¼ teaspoons sea salt, divided
  • Freshly ground black pepper, to taste
  • 2 bunches asparagus ( pounds), trimmed and chopped
  • 2 garlic cloves, grated
  • 4 cups vegetable broth
  • 2 fresh thyme sprigs, bundled
  • 1 cup frozen peas
  • 1½ tablespoons fresh lemon juice
  • ¼ to ½ cup heavy cream, optional

For Serving

  • Heavy cream, for drizzling
  • Sautéed asparagus tips
  • Chopped fresh dill or chives
  • Extra-virgin olive oil, for drizzling
  • Freshly ground black pepper

Instructions

  1. Sauté the leeks: Melt the butter in a large pot or Dutch oven over medium heat. Add the leeks, ¾ teaspoon of the sea salt, and several grinds of freshly ground black pepper. Cook, stirring occasionally, for 8 to 10 minutes until the leeks are soft but not browned. Reduce heat if they begin to brown prematurely.
  2. Simmer the asparagus and broth: Add the chopped asparagus, grated garlic, vegetable broth, and bundled thyme sprigs to the pot. Bring to a simmer and cook for 20 minutes or until the asparagus is tender.
  3. Add peas and finish cooking: Stir in the frozen peas and cook for an additional 2 minutes until they are heated through.
  4. Blend the soup: Remove the pot from the heat and allow the soup to cool slightly. Remove the thyme sprigs, then carefully transfer the soup to a blender. Blend until completely smooth and creamy.
  5. Season and enrich: Return the blended soup to the pot. Stir in the remaining ½ teaspoon of sea salt, fresh lemon juice, and heavy cream if desired. Taste and adjust seasoning as needed.
  6. Serve and garnish: Ladle the soup into bowls. Garnish with a drizzle of heavy cream, sautéed asparagus tips, chopped fresh dill or chives, a drizzle of extra-virgin olive oil, and freshly ground black pepper. Serve immediately.

Notes

  • Using leeks adds a subtle sweetness to the soup, but a yellow onion is a fine substitute.
  • If you prefer a dairy-free version, omit the heavy cream and drizzle with good-quality olive oil instead.
  • Sauté asparagus tips separately for a delightful garnish that adds texture and visual appeal.
  • Fresh or frozen peas can be used; frozen peas add a nice pop of color and sweetness.
  • Use a high-speed blender for a very smooth texture or an immersion blender for convenience.
  • Adjust the thickness by adding more or less broth or cream to taste.