Creamy Cauliflower Soup

Featured in Comforting Soups & Stews.

The flavor of this soup comes alive with roasted cauliflower, blending smoothly with butter to create a rich texture without cream. Roasting keeps it light yet hearty.

A woman in a white chef's outfit with a chef's hat and apron.
Updated on Sun, 30 Mar 2025 00:22:23 GMT
A cozy bowl filled with smooth cauliflower soup topped with roasted cauliflower and fresh herbs, placed on a rustic-looking surface. Pin it
A cozy bowl filled with smooth cauliflower soup topped with roasted cauliflower and fresh herbs, placed on a rustic-looking surface. | cuisinegenial.com

Gotta tell you about my top-notch way to turn cauliflower into something totally comforting! I found out that popping cauliflower in the oven brings out its natural sweetness, so I whipped up this smooth soup that's now our go-to when it's cold outside. Mix those golden florets with butter and a touch of nutmeg and you'll get something so tasty that even folks who don't like veggies will want more. First time I made this, my hubby couldn't believe it was mainly cauliflower!

What Makes This Soup Stand Out

This soup isn't your run-of-the-mill veggie blend! Oven-roasting the cauliflower first gives it this amazing flavor depth that makes everything taste super rich without needing tons of cream. Just last week I cooked this for my calorie-counting buddy and she was shocked by how creamy it turned out. My kiddos who normally push veggies aside actually finish their entire bowls!

Ingredients You'll Want

  • The Basics:
    • One whole head of fresh cauliflower
    • Quality olive oil
    • Yellow onion
    • Fresh garlic cloves
    • Flavorful vegetable broth
    • Actual butter
    • Ground nutmeg
    • Fresh lemon juice
  • For Garnishing:
    • Fresh herbs such as parsley or chives
    • Another splash of quality olive oil
    • Perhaps some crunchy croutons

Time To Cook

Oven Transformation
We start by roasting those cauliflower chunks until they turn golden and sweet. Your home will smell incredible! This cooking method completely changes the flavor game.
Creating The Foundation
While your cauliflower gets toasty, we cook down those onions and garlic in the pot. There's nothing like the aroma of cooking aromatics - everyone will wonder what's cooking!
Smooth As Silk
Throwing everything in the blender and watching it change into this perfectly smooth soup feels like kitchen wizardry. That first taste when you realize how velvety it's become is just wonderful!
A bowl of creamy soup topped with a grilled cauliflower slice and garnished with chopped green onions and a drizzle of sauce. Pin it
A bowl of creamy soup topped with a grilled cauliflower slice and garnished with chopped green onions and a drizzle of sauce. | cuisinegenial.com

Nailing The Details

Want my insider tips for outstanding cauliflower soup? Let the roasting take its time - those brown bits pack tons of flavor! When blending, go longer than you think for ultimate smoothness. And here's my go-to trick: add that tiny bit of nutmeg right at the end and watch how it brings all the flavors together beautifully!

Ready To Eat

I always put this in my best bowls with some olive oil drizzled on top and sprinkled fresh herbs. You absolutely need warm crusty bread on the side to mop up every last bit! For guests, I serve it in small cups as a starter and everyone asks me how I made it. The white soup with green herbs looks so fancy!

Storage Tips

This soup tastes even better the day after! All those flavors really get to know each other overnight. I usually cook twice as much and put portions in the freezer - they're perfect for nights when you need something warm and soothing fast. Just remember to warm it up slowly and stir now and then to keep it nice and smooth.

Try Something Different

Feel free to switch things up with this soup! Sometimes I throw in a potato to make it extra creamy. My vegan pals love using cashews instead of butter. One time I added oven-roasted garlic with the cauliflower and it changed everything! That's what makes cooking fun - finding what works best for you.

A bowl of creamy cauliflower soup garnished with roasted cauliflower florets, herbs, and a drizzle of olive oil. Pin it
A bowl of creamy cauliflower soup garnished with roasted cauliflower florets, herbs, and a drizzle of olive oil. | cuisinegenial.com

The Heart Behind This Dish

This soup has become our favorite way to eat veggies! There's something really special about turning plain cauliflower into something so fancy and comforting. My kids learn about healthy eating by seeing how we can make veggies taste awesome without trying to hide them.

The coolest part isn't just how good it tastes but seeing everyone's shocked faces when they try how amazing cauliflower can be! Whether you're cooking for someone who needs comfort food or just want something warm and good for you, this always hits the spot. And seeing people discover what basic ingredients can do? That's why cooking feels so good!

Frequently Asked Questions

→ What’s the benefit of roasting the cauliflower?

Roasting brings out natural sweetness and adds deep, nutty flavors by caramelizing the edges. It makes the soup taste layered and rich.

→ How can I make it without dairy?

Swap the butter for cashews! Just soak them (or don't, if your blender’s strong enough). It gives a creamy vibe without dairy.

→ What’s the best way to blend it hot?

Give it a bit to cool, then only fill your blender halfway. Take out the lid’s center part and put a towel on for steam release.

→ Can this soup go in the freezer?

Totally! It freezes super well—just make sure it’s cooled completely. Defrost when you’re ready, then warm it up gently.

→ Why doesn’t this soup need cream?

Butter and roasting team up to create smoothness naturally. You get all the richness without adding extra cream.

Conclusion

A delightful yet straightforward soup. Roasting changes cauliflower into a velvety and deeply flavorful dish without complex steps.

Creamy Cauliflower Soup

This silky cauliflower soup gets its flavor boost from roasting and uses butter to stay creamy without adding cream. Simple, tasty, and filling.

Prep Time
15 Minutes
Cook Time
55 Minutes
Total Time
70 Minutes
By: Ferdaous

Category: Soups & Stews

Difficulty: Intermediate

Cuisine: American

Yield: 4 Servings (4 bowls)

Dietary: Low-Carb, Vegetarian, Gluten-Free

Ingredients

01 A big head of cauliflower (around 2 pounds), broken into bite-sized pieces.
02 3 tablespoons of olive oil, split up for different steps.
03 1 medium red onion, diced up small.
04 2 garlic cloves, minced finely.
05 4 cups of veggie stock.
06 2 tablespoons of plain butter.
07 1 tablespoon of freshly squeezed lemon juice.
08 A pinch of ground nutmeg, about ¼ teaspoon.
09 A sprinkle of fresh parsley, chives, or green onions to garnish.
10 Salt, added as needed.

Instructions

Step 01

Mix cauliflower with a couple of tablespoons of olive oil and some salt. Lay it out on a tray and roast at 425°F for 25 to 35 minutes, stirring it halfway through so it browns evenly.

Step 02

Cook the onion in the rest of the oil for about 5-7 minutes, stirring now and then. Toss in the garlic for about half a minute, then pour in the veggie stock.

Step 03

Save 4 florets for topping later. Add the rest of the roasted cauliflower into the pot and let everything gently bubble for 20 minutes.

Step 04

Let the mixture cool a bit, then blitz it in a blender with the butter until the texture's smooth. Stir in the lemon juice and nutmeg.

Step 05

Taste and add more salt if needed. Dish it up and garnish with the saved florets and fresh herbs.

Notes

  1. If you'd rather skip butter, cashews make a great vegan substitute.
  2. Stays good in the fridge for up to 4 days.
  3. Pop it in the freezer, and it’ll keep for months!

Tools You'll Need

  • A pan for roasting.
  • Soup pot or Dutch oven.
  • A good blender.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (butter).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 220
  • Total Fat: 16 g
  • Total Carbohydrate: 18 g
  • Protein: 6 g