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  3. Creamy Cauliflower Leek Soup
Creamy cauliflower leek soup in a white bowl

Smooth vegetable soup with leeks and thyme

Creamy Cauliflower Leek Soup

Prep Time

15 min

Cook Time

30 min

Total Time

45 min

Servings

6

6 servings

Difficulty

Easy

Cost

Budget

$

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Creamy Cauliflower Leek Soup

Smooth vegetable soup with leeks and thyme

A smooth cauliflower soup with leeks and thyme that tastes elegant while still being built from inexpensive vegetables.

15m

Prep Time

30m

Cook Time

45m

Total Time

6

Servings

Easy

Difficulty

Budget $

Cost

French CuisineSoup & StewVegetarianGluten-FreeHealthy
Sarah Chen
Sarah Chen

November 16, 2025(Updated April 12, 2026)

Cauliflower soup works when it is treated seriously rather than as a diet placeholder. Leeks and thyme give this version enough depth that the final bowl feels polished instead of spare.

Why This Recipe Works

Cooking the leeks slowly first gives the soup a sweeter and more developed base before the cauliflower ever goes in.

Ingredients

  • 2 tbsp butter or olive oil
  • 2 leeks, cleaned and sliced
  • 1 head cauliflower, chopped
  • 4 cups vegetable stock
  • 1 tsp thyme
  • 1/4 cup cream, optional

Instructions

  1. 1

    Cook the leeks gently in the butter or oil until softened.

  2. 2

    Add the cauliflower, stock, and thyme and simmer until the cauliflower is tender.

  3. 3

    Blend until smooth.

  4. 4

    Add the cream if using and season to taste.

  5. 5

    Serve hot.

Serving Suggestions

Ways to Serve This Dish

  • Serve alongside a fresh baguette and salted butter

  • Pair with a crisp green salad with Dijon vinaigrette

Substitutions

ThymeNutmeg

A little nutmeg gives the soup a warmer, more old-school feel

CreamMilk

Milk lightens the soup if you want a softer finish

Tips & Storage

Pro Tips

  • A little lemon juice at the end brightens the soup more than you might expect.

  • The cream is optional; the soup is already smooth from the cauliflower.

Storage

Refrigerate for up to 4 days or freeze for up to 2 months.

Reheating

Reheat gently on the stovetop or in the microwave.

Nutrition Facts

Per serving (1 bowl) · 6 servings

Calories150
LowModerateHigh

A light, low-calorie option · based on a 2,000 cal daily diet

Protein4g
Carbohydrates12g
Fat9g
Fiber4g
Sugar5g
Sodium330mg

Nutritional values are approximate and may vary based on specific ingredients and preparation methods.

Frequently Asked Questions

Can I make it vegan?
Yes. Use olive oil instead of butter and skip the cream.
Do I need to blend it completely smooth?
No. A slightly coarse texture can be very good too.

Explore More

More French RecipesMore Soup & StewVegetarian RecipesGluten-Free RecipesHealthy RecipesStovetop RecipesOne Pot Recipes
Sarah Chen

About Sarah Chen

Sarah Chen is a professional recipe developer and food editor with over a decade of experience in test kitchens and food media. She trained at the Culinary Institute of America before spending six years developing and testing recipes for national food publications, where she honed her ability to translate restaurant techniques into approachable home cooking. At RecipePool, Sarah leads recipe development, ensuring every dish is tested at least three times for clarity, accuracy, and genuine deliciousness. When she is not in the kitchen, she is browsing farmers markets and collecting vintage cookbooks.

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