Velvety Asparagus Leek Soup

Creamy Asparagus Leek Soup: A Velvety Spring Delight (Vegan Option)

Embrace the fresh, vibrant flavors of the season with this incredibly delicious and naturally creamy Creamy Asparagus Leek Soup. This recipe transforms humble spring vegetables into a truly elegant dish that’s both light and deeply comforting. Featuring tender, perfectly roasted asparagus, mellow, aromatic leeks, and a bright touch of fresh lemon, every spoonful delivers a burst of springtime goodness. Whether you’re looking for an impressive starter for a dinner party or a wholesome, satisfying light meal, this simple yet sophisticated soup is a perfect choice.

Close up of asparagus leek soup in a white bowl over a yellow striped linen.

What truly distinguishes this asparagus leek soup is its remarkable, naturally creamy texture. Achieving this luscious, velvety finish is surprisingly simple and requires no heavy cream, making it a healthier option without sacrificing an ounce of indulgence. The secret lies in roasting the asparagus until it’s perfectly tender and slightly caramelized, which deepens its flavor. Then, by blending these roasted vegetables until silky smooth, you create a rich, luxurious consistency that’s incredibly satisfying and light on the palate. It’s an ideal way to enjoy the freshness of spring produce.

To elevate the flavors of the finished soup, a final touch of fresh dill and a generous squeeze of bright lemon juice are essential. The dill adds a delicate, herbaceous note, while the lemon provides a crucial acidity that balances the richness and truly brightens the entire dish. For an extra layer of decadence and a beautiful presentation, consider a drizzle of high-quality fruity olive oil, a swirl of homemade crème fraîche, or even a dollop of Greek yogurt. These simple garnishes transform this simple soup into an elegant culinary experience.

This creamy asparagus leek soup recipe is incredibly versatile and can be easily adapted to suit various dietary preferences, including vegetarian and vegan options simply by choosing vegetable stock. It’s a testament to how fresh, seasonal ingredients, prepared with care, can yield extraordinary results. Get ready to impress your taste buds and celebrate spring with every comforting bowl!

[feast_advanced_jump_to]

Ingredient Notes: Unlocking the Best Flavors

Crafting a truly exceptional asparagus leek soup begins with selecting the right ingredients and understanding how each contributes to the final masterpiece. Below are some essential highlights and tips for the key components of this vibrant spring soup.

Asparagus spears on a wood board.
  • Asparagus: As one of the first heralds of spring, fresh asparagus brings its distinctive grassy, slightly sweet flavor to this soup. When choosing asparagus, look for firm, bright green spears with tightly closed tips. The roasting process is key here; it caramelizes the asparagus, deepening its sweetness and making it incredibly tender for blending. A crucial step is a thorough rinse in cold water to remove any lurking dirt or sand – trust us, sandy asparagus is a texture nobody wants in their smooth soup!
  • Leeks: Leeks are the perfect foundation for this creamy soup, offering a milder, sweeter, and more delicate onion flavor compared to traditional onions. Their light green and white parts cook down beautifully, contributing to the vibrant color and velvety texture of the finished soup. Just like asparagus, leeks can hide a surprising amount of grit between their layers, so thorough cleaning is paramount. Rinsing them well under cold water after slicing will ensure a clean, smooth base. If leeks aren’t available, yellow onions can be used as a substitute, though the flavor profile will be slightly sharper.
  • Garlic: A staple in most savory recipes, fresh garlic adds an aromatic depth that complements both the asparagus and leeks without overpowering their delicate notes. Sautéing it briefly with the leeks releases its fragrant oils, building a rich flavor base for the soup.
  • Stock: The choice of stock significantly impacts the soup’s overall flavor. We recommend using a good-quality chicken stock for a robust base. However, for a vegan or vegetarian version of this delicious soup, simply swap in an equally good vegetable stock. If you’re lucky enough to have homemade stock on hand, this is the perfect opportunity to let its rich flavors shine through!
  • Lemon: Fresh lemon juice is a non-negotiable ingredient that truly makes this soup sing. Its bright acidity cuts through the richness, preventing the soup from tasting flat and adding a wonderful fresh, zesty lift that perfectly complements the spring vegetables. Always use fresh lemon juice for the best flavor.
  • Fresh Herbs and Seasonings: Fresh herbs are essential for adding brightness and complexity. Dill is our top recommendation due to its delicate, slightly anise-like flavor that enhances the asparagus without dominating. Other excellent choices include fresh parsley for a clean, green note, tarragon for a subtle licorice hint, or even a touch of rosemary for an earthy aroma. Beyond herbs, simple kosher or sea salt and fresh ground black pepper are crucial for seasoning the soup to perfection, bringing all the flavors into harmony.

The complete ingredient list with precise measurements can be found in the detailed recipe card below.

Step-by-Step Instructions: Crafting Your Creamy Asparagus Leek Soup

Follow these straightforward steps to create a wonderfully creamy and flavorful asparagus leek soup that captures the essence of spring. Precision in each stage ensures a velvety texture and rich taste.

A collage of steps to make asparagus leek soup.

Step 1: Prepare and Roast Asparagus. Begin by preheating your oven to 400℉ (200°C). Arrange the trimmed and cleaned asparagus spears in a single layer on one or two baking sheets lined with parchment paper for easy cleanup. Drizzle generously with olive oil and sprinkle with half of the salt. Roast for 20-25 minutes, or until the asparagus is tender-crisp and lightly browned, indicating beautiful caramelization. Once done, remove from the oven and set aside to cool slightly. Once cool enough to handle, give the asparagus a rough chop. You can optionally reserve a few tips for a beautiful garnish later.

Step 2: Sauté the Aromatics. While the asparagus roasts, melt butter in a large, heavy-bottomed pot or Dutch oven over medium heat until it shimmers. Add the thoroughly cleaned and sliced leeks along with a quarter teaspoon of salt. Sauté, stirring occasionally, for about 5-7 minutes until the leeks have softened significantly and become translucent. Next, add the minced garlic and continue to sauté for just 30 seconds until fragrant, being careful not to let it brown, as this can make it bitter.

Step 3: Combine and Simmer. Add the chopped roasted asparagus to the pot with the softened leeks and garlic. Pour in the chicken or vegetable stock and stir in the fresh dill or parsley. Bring the mixture to a gentle boil, then immediately reduce the heat to low. Let the soup simmer uncovered for about 10 minutes to allow the flavors to meld beautifully. This short simmer helps soften any remaining vegetable bits and infuses the liquid with all the delicious aromas.

A collage of 4 steps to make asparagus leek soup.

Step 4: Blend to Perfection. Turn off the heat and allow the soup to cool slightly before transferring it to a blender. It’s crucial not to overfill the blender, especially with hot liquids – work in batches if necessary (see our expert tip below for safe blending). Puree until the soup is completely smooth and velvety. For an extra-silky texture, you can pass the soup through a fine-mesh sieve, though this is often unnecessary given the natural creaminess achieved by thorough blending. Alternatively, an immersion blender can be used directly in the pot for a convenient one-pot blending method.

Step 5: Final Seasoning and Serve. Return the pureed soup to the pot over low heat. Stir in the fresh lemon juice, the remaining quarter teaspoon of salt, and the fresh ground black pepper. Taste the soup and adjust the seasonings as needed – you might want a little more salt, pepper, or another squeeze of lemon to perfectly balance the flavors. Serve your creamy asparagus leek soup immediately, garnished with fresh herbs or reserved asparagus tips, and perhaps a drizzle of olive oil or a dollop of crème fraîche. Enjoy the exquisite taste of spring!

👩‍🍳Expert Tip: Safe and Smooth Blending for Soups

When blending hot soup in a conventional blender, safety is paramount to prevent dangerous eruptions and burns. Never fill the blender jar more than halfway. Crucially, always remove the small center cap from the lid to allow steam to escape. To prevent splatters while blending, cover the opening with a clean kitchen towel. This setup is vital for preventing pressure buildup that can force the lid off or hot liquid to spray out. For the smoothest, most velvety results, blend in batches until completely uniform. Once blended, let the soup rest for a minute before carefully pouring it out.

Variations: Customize Your Asparagus Leek Soup

This naturally creamy asparagus leek soup is a fantastic canvas for culinary creativity. Feel free to experiment with these fun ideas to make it your own, adding depth, heartiness, or a kick of spice!

  • Add Potatoes for Extra Body: For an even heartier and thicker soup, stir in diced Yukon gold or russet potatoes along with the stock. The starch from the potatoes will naturally thicken the soup as it simmers, contributing to an incredibly rich and satisfying, chowder-like texture – all without the need for any dairy.
  • Boost with More Veggies: Enhance the nutritional value and vibrant green color by tossing in a cup of fresh or frozen spinach or fresh or frozen green peas during the last few minutes of simmering. Spinach will wilt quickly, while peas add a lovely natural sweetness and pop of color that pairs perfectly with asparagus.
  • Make it Spicy: If you enjoy a little heat, give your soup a delightful kick! Add a pinch of dried chili flakes or a small, finely minced fresh chili pepper (like a jalapeño or serrano, depending on your preferred spice level) when sautéing the garlic.
  • Flavor with Pesto: For an additional layer of herbaceous and savory flavor, finish your soup with a few tablespoons of homemade roasted garlic pesto or red pepper pesto. Stir it in right before serving for a vibrant burst of flavor and a beautiful color swirl.
  • Make it Meaty: For a richer, more savory soup, start by sautéing bacon, diced ham, or thinly sliced prosciutto until crispy. Remove the cooked meat, then use the rendered fat to sauté the leeks, infusing the entire soup with a delicious smoky depth. Crumble the crispy meat over individual servings as a garnish.

Storage & Reheating Tips for Your Asparagus Leek Soup

This creamy asparagus leek soup is wonderful for meal prepping, as it stores beautifully and can even be frozen for later enjoyment. To ensure the best quality when storing, always allow the soup to cool completely to room temperature before transferring it to an airtight container. When properly stored in the refrigerator, the soup will remain fresh and delicious for up to 4-5 days. For longer storage, this soup freezes exceptionally well; transfer it to freezer-safe containers or bags and freeze for up to 3 months. Thaw frozen soup overnight in the refrigerator before reheating.

To reheat the soup, gently warm it on the stove over medium-low heat, stirring occasionally to prevent scorching. If the soup has thickened too much during storage, you can add a splash of additional broth or stock to reach your desired consistency. Alternatively, for quick reheating, microwave individual portions in short intervals, stirring well between each interval, until heated through. This ensures a consistent temperature and creamy texture.

Angled view of asparagus soup in a white bowl with a lemon in the background.

Serving Suggestions: Elevate Your Asparagus Leek Soup Experience

This versatile creamy asparagus leek soup is delightful on its own, but a few thoughtful serving suggestions can transform it into an even more memorable meal. It’s perfect as a hearty main, a light lunch, or an elegant side dish. Enjoy it hot or even chilled for a refreshing twist! Here are some creative ways to make your soup extra special:

  • Creamy Garnishes: Enhance the richness with a luxurious dollop of crème fraîche, a swirl of tangy Greek yogurt, or a spoonful of herbed goat cheese. These creamy additions melt beautifully into the warm soup, adding a wonderful tang and velvety texture.
  • Crunchy Companions: Serve alongside slices of crusty artisan bread for dipping, homemade garlic toasts, or delicate Parmesan crisps. The textural contrast adds an irresistible element to each spoonful.
  • Aromatic Oils: Just before serving, drizzle a high-quality extra virgin olive oil over the top. For a gourmet touch, consider specialty oils like nutty pistachio oil or rich walnut oil, which add unique aroma and depth.
  • Fresh Cheese Shavings: If serving hot, use a vegetable peeler to shave delicate slivers of fresh Parmesan cheese over the top. The warmth of the soup will slightly soften the cheese, releasing its savory notes.
  • Toasted Breadcrumbs: For a delightful nutty crunch, sprinkle toasted breadcrumbs over your soup just before serving. You can lightly toast panko breadcrumbs in a pan with a little olive oil until golden.
  • Nutty Toppings: Speaking of crunch, crushed, toasted pistachios or almonds make an excellent topping, adding both texture and a subtle, earthy flavor that complements the asparagus.
  • Light Salad Pairings: For a balanced meal, pair your soup with a fresh, light salad. Consider a vibrant golden beet salad with tarragon vinaigrette or a refreshing strawberry salad with goat cheese.
  • Savory Scones for Dunking: Elevate your soup experience by serving it with savory scones. Our delicious rosemary scones or rich smoked gouda and chive scones are perfect for dunking.

Frequently Asked Questions About Asparagus Leek Soup

Here are answers to some common questions about preparing this delightful spring soup, ensuring you achieve the best results every time.

How do I clean leeks thoroughly?

Leeks are notorious for trapping dirt and grit between their layers, making thorough cleaning essential. After trimming the dark green tops and root ends, slice the white and light green parts into thin half-moons. Place the sliced leeks in a large bowl of cold water. Swirl them around vigorously with your hands; the dirt will sink to the bottom while the clean leek pieces float. Use a slotted spoon or your hands to scoop out the clean leeks, leaving any lingering grit behind. Repeat if necessary until the water runs clear.

How do I prepare the asparagus for roasting?

Preparing asparagus for roasting is simple. The first step is to remove the tough, woody ends. The easiest method is to hold one asparagus stalk near the bottom and gently bend it. It will naturally snap at the point where the tough, fibrous end meets the tender, edible part. Repeat this with the remaining spears. While some prefer to peel the stalks if they are very thick, it’s generally not necessary for most asparagus spears when making soup, as they will be blended. Just ensure they are well-rinsed and patted dry before roasting.

More Delightful Spring Recipes

These additional spring recipes will inspire you to celebrate the season with vibrant flavors and fresh ingredients, making you feel like you’re singing in the sunshine!

  • Homemade Raspberry Almond Scones
  • Strawberry Balsamic BLT
  • Lemon Ricotta Raspberry Toast
  • Banana Toast with Pistachio Cream

Did you make this delightful Creamy Asparagus Leek Soup recipe? We’d absolutely love to hear about your experience! Please take a moment to leave a ⭐⭐⭐⭐⭐ rating and a comment right below the recipe card. If you capture a photo of your beautiful creation, don’t forget to tag us on Instagram @brunchandbatter. Your feedback and shares truly brighten our day!

📖Recipe

Close up of asparagus leek soup in a white bowl over a yellow striped linen.

Creamy Asparagus Leek Soup

This Creamy Asparagus Leek Soup is the perfect way to celebrate the fresh, vibrant flavors of spring. With tender roasted asparagus, mellow leeks, and a touch of lemon, this soup is both light and comforting.















5 from 1 vote
Print Recipe
Pin Recipe

Prep Time

10 minutes

Cook Time

35 minutes

Total Time

45 minutes


Course
Appetizer, Lunch, Main Course, Side Dish, Soup
Cuisine
American

Servings

4
(1 cup servings)
Calories

163
kcal

Equipment

  • 2 large baking sheets
  • large pot
  • blender or immersion blender

Ingredients

 

  • 2
    bunches (roughly 2 pounds, depending on size and thickness)
    fresh asparagus, washed and woody ends trimmed
    see notes below on how to prepare
  • 2-4
    tablespoon
    extra-virgin olive oil
  • 1
    teaspoon
    Kosher or fine sea salt, divided (plus more to taste)
  • 2
    tablespoon
    butter, unsalted
  • 2
    cups
    sliced leeks (from about 2 large or 3 medium leeks)
    see notes below on how to prepare
  • 1
    clove
    garlic, minced
  • 3½-4
    cups
    chicken or vegetable stock
  • 3
    tablespoon
    fresh dill or parsley, plus more for garnishing
  • 1-2
    tablespoon
    lemon juice (from about ½ lemon)
  • ¼
    teaspoon
    fresh ground black pepper

Instructions

 

  • Heat the oven to 400℉. Place the prepared asparagus in a single layer (without overlapping) on 2 baking sheets lined with parchment or aluminum foil (for easy clean-up). Drizzle the olive oil and sprinkle ½ teaspoon of salt over the asparagus. Roast for 20-25 minutes until browned. Remove from the oven to cool slightly. When cool enough to handle, give the asparagus a rough chop, then set aside. Optional- reserve a few asparagus tips for garnishing.
    2 bunches (roughly 2 pounds, depending on size and thickness) fresh asparagus, washed and woody ends trimmed,
    2-4 tablespoon extra-virgin olive oil,
    1 teaspoon Kosher or fine sea salt, divided (plus more to taste)
  • While the asparagus is roasting, sauté the leeks. In a large pot, heat the butter over medium heat until shimmering. Add the leeks, ¼ teaspoon of the salt, and sauté for about 5 minutes until soft, stirring occasionally. When the leeks are softened, add the garlic and sauté for 30 seconds, until fragrant (do not brown).
    2 tablespoon butter, unsalted,
    2 cups sliced leeks (from about 2 large or 3 medium leeks),
    1 clove garlic, minced
  • Add the chopped asparagus, dill or parsley, and about 3½ cups of stock to the pot with the leeks. Bring to a boil. Once it boils, reduce the heat to low and simmer for 10 minutes, uncovered.
    3 tablespoon fresh dill or parsley, plus more for garnishing,
    3½-4 cups chicken or vegetable stock
  • Turn off the heat and allow it to cool slightly before blending. Add the soup to a blender and puree in batches (see notes for tips when blending) until smooth, adding the additional stock if needed until you reach your desired consistency. Alternately, you can use an immersion blender and blend the soup right in the pot.
  • Return the blended soup to the pot over low heat. Add the lemon juice, remaining ¼ teaspoon of salt, and pepper. Taste and adjust for seasoning. Serve immediately.
    1-2 tablespoon lemon juice (from about ½ lemon),
    ¼ teaspoon fresh ground black pepper

Notes

  • To prepare the asparagus: Trim the woody ends (usually about 1 inch from the bottom). You could also just bend the stalk until it snaps naturally. The asparagus will break right where the tough, woody part ends and the tender part begins. Rinse and pat dry with a clean towel.
  • To prepare the leeks: Remove the dark green tops and root ends. Slice the white and light green parts in half lengthwise, then cut into thin half-moons. Rinse thoroughly under cold water to remove any grit, then drain well.
  • When blending hot soup in a blender, never fill it more than halfway, and always remove the center cap from the lid to let steam escape-cover the opening with a kitchen towel to prevent splatters. This prevents pressure buildup, which can cause dangerous eruptions. For ultra-smooth results, blend in batches and let the soup rest for a minute before pouring.
  • The soup can be stored in the fridge for 4-5 days or frozen up to 3 months.

Nutrition*


Serving:
1
cup


Calories:
163
kcal


Carbohydrates:
9
g


Protein:
2
g


Fat:
14
g


Saturated Fat:
5
g


Polyunsaturated Fat:
1
g


Monounsaturated Fat:
7
g


Trans Fat:
0.2
g


Cholesterol:
17
mg


Sodium:
677
mg


Potassium:
157
mg


Fiber:
1
g


Sugar:
3
g


Vitamin A:
946
IU


Vitamin C:
7
mg


Calcium:
33
mg


Iron:
1
mg

*Nutrition information is provided as a courtesy and is an estimate only. Nutrition information can vary depending on many factors, such as products used, measurements and substitutions, therefore it is recommended that you obtain nutritional calculations based on your own finished recipe.


Have you tried this recipe?
Leave a comment below and share a photo on Instagram. Tag @brunchandbatter or hashtag it with #brunchandbatter