20-Minute Creamy Cauliflower Soup for Busy Weeknights

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There’s something deeply comforting about a bowl of warm, velvety soup, especially when it’s both nourishing and delicious. This Creamy Cauliflower Soup captures that feeling perfectly it’s the kind of dish that feels like a hug from the inside out. Whether you need a soothing weeknight meal or a light yet satisfying lunch, this recipe will become one of your go-to favorites.


Why You’ll Love This Creamy Cauliflower Soup

When the weather cools down, few things are more satisfying than a bowl of smooth, flavorful cauliflower soup. It’s naturally creamy without heavy cream, making it a great choice for anyone looking for light comfort food. The roasted cauliflower adds a nutty depth, while the lemon juice brightens the flavor and the nutmeg gives it a subtle, warm finish.

You’ll love this soup because:

  • It’s healthy, naturally gluten-free, and vegetarian.
  • It’s rich in flavor with simple ingredients.
  • It reheats beautifully perfect for meal prep.
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20-Minute Creamy Cauliflower Soup for Busy Weeknights


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  • Author: Alice
  • Total Time: 55 minutes
  • Yield: 4 servings
  • Diet: Vegetarian

Description

A warm, silky, and delicious Creamy Cauliflower Soup made with roasted cauliflower, garlic, and lemon for pure comfort in a bowl.


Ingredients

  • 1 large head cauliflower (about 2 pounds), cut into bite-size florets
  • 3 tablespoons extra-virgin olive oil, divided
  • Fine sea salt
  • 1 medium red onion, chopped
  • 2 cloves garlic, pressed or minced
  • 4 cups (32 ounces) vegetable broth
  • 2 tablespoons unsalted butter
  • 1 tablespoon fresh lemon juice
  • Scant ¼ teaspoon ground nutmeg
  • 2 tablespoons finely chopped fresh flat-leaf parsley, chives or green onions for garnish


Instructions

1. Preheat the oven to 425°F. Line a large baking sheet with parchment paper.

2. Toss cauliflower with 2 tablespoons olive oil and salt. Roast 25–35 minutes until tender and golden.

3. Heat remaining olive oil in a pot. Add onion and salt; cook until translucent.

4. Add garlic; cook 30 seconds. Pour in broth.

5. Reserve 4 florets; add the rest to the pot. Simmer for 20 minutes.

6. Blend soup with butter until smooth.

7. Add lemon juice and nutmeg. Season with salt and more lemon if needed.

8. Garnish with roasted florets and herbs before serving.

Notes

For extra creaminess, blend in a splash of coconut milk. Store refrigerated up to 4 days or freeze up to 3 months.

  • Prep Time: 10 minutes
  • Cook Time: 45 minutes
  • Category: Soup
  • Method: Blending
  • Cuisine: American

Ingredients for Creamy Cauliflower Soup

Soup Ingredients

IngredientQuantityNotes
Large head cauliflower1 (about 2 pounds)Cut into bite-size florets
Extra-virgin olive oil3 tablespoonsDivided
Fine sea saltTo tasteAdjust for flavor
Medium red onion1Chopped
Garlic cloves2Pressed or minced
Vegetable broth4 cups (32 ounces)Use low-sodium if preferred
Unsalted butter2 tablespoonsAdds silkiness
Fresh lemon juice1 tablespoonOr more to taste
Ground nutmegScant ¼ teaspoonAdds warmth
Fresh herbs2 tablespoonsFor garnish: parsley, chives, or green onions

Step-by-Step Instructions

Step 1: Roast the Cauliflower

  1. Preheat oven to 425°F (220°C). Line a baking sheet with parchment paper for easy cleanup.
  2. Toss cauliflower florets with 2 tablespoons olive oil and a pinch of salt. Spread in a single layer.
  3. Roast for 25–35 minutes, tossing halfway through, until tender and golden on the edges.

Step 2: Sauté the Aromatics

  1. In a large soup pot, warm the remaining tablespoon of olive oil over medium heat.
  2. Add chopped onion and ¼ teaspoon salt. Cook 5–7 minutes until translucent.
  3. Stir in garlic for 30 seconds, releasing its aroma.

Step 3: Simmer the Soup

  1. Add vegetable broth and roasted cauliflower, reserving 4 florets for garnish.
  2. Increase heat to medium-high to bring to a simmer.
  3. Reduce heat, cover partially, and simmer gently for 20 minutes to blend the flavors.

Step 4: Blend to Perfection

  1. Remove from heat; let cool slightly.
  2. Carefully transfer to a blender (in batches if needed). Add butter and blend until smooth.
  3. Add lemon juice and nutmeg, blend again. Adjust salt and add more lemon for brightness if desired.

Step 5: Serve and Garnish

  1. Pour soup into bowls.
  2. Top each with a roasted floret, a sprinkle of fresh herbs, and a drizzle of olive oil if desired.
  3. Serve warm with crusty bread or a light salad.

Helpful Tips for the Best Cauliflower Soup

  • Roast thoroughly: The more caramelized your cauliflower, the deeper and nuttier the flavor.
  • Use a high-speed blender: This ensures your soup turns out silky and creamy.
  • Balance acidity: Start with a small amount of lemon juice, then adjust it brings the soup to life!
  • Storage: Refrigerate up to 4 days or freeze up to 3 months in airtight containers.
  • For extra creaminess: Add a splash of coconut milk or a dollop of plain Greek yogurt before serving.

Nutrition Information

NutrientAmount (per serving)
Calories160 kcal
Carbohydrates15 g
Protein5 g
Fat11 g
Fiber4 g
Sodium650 mg
Cholesterol10 mg

Frequently Asked Questions (FAQ)

How can I make my cauliflower soup vegan?

You can replace the butter with vegan butter or a splash of coconut cream for a 100% plant-based version.

Can I use frozen cauliflower?

Yes, frozen cauliflower works well. Roast it straight from frozen just add an extra 5–10 minutes to the roasting time.

What can I serve with creamy cauliflower soup?

This soup pairs beautifully with garlic bread, a crisp green salad, or grilled cheese sandwiches.

How do I thicken the soup without adding cream?

Roasting the cauliflower naturally makes it thicker when blended. If you prefer even more body, simmer the soup a few extra minutes uncovered to reduce liquid.


Conclusion

This Creamy Cauliflower Soup proves that healthy eating doesn’t have to be bland or complicated. With roasted cauliflower, aromatic vegetables, and a touch of lemon, you can create a dish that’s luxurious, comforting, and nourishing all at once. Treat yourself to a bowl on a chilly evening you’ll find yourself making it again and again.

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