Creamy Cauliflower and Broccoli Soup

Featured in: Everyday Home Plates

This hearty soup combines tender cauliflower and broccoli florets simmered with aromatic vegetables in a flavorful broth. The blend results in a luxuriously smooth texture, while homemade golden croutons add satisfying crunch. Each bowl delivers warmth and comfort in under an hour, making it perfect for lunch or light dinner.

Updated on Wed, 28 Jan 2026 09:20:00 GMT
Creamy Cauliflower and Broccoli Soup in a rustic bowl, topped with golden croutons, fresh parsley, and a sprinkle of Parmesan cheese. Save
Creamy Cauliflower and Broccoli Soup in a rustic bowl, topped with golden croutons, fresh parsley, and a sprinkle of Parmesan cheese. | saborzitoune.com

I used to think broccoli was just for steaming until a damp Tuesday afternoon when I needed something warm and filling. The kitchen was cold and I only had two heads of wilting vegetables in the crisper drawer. I decided to toss them into a pot together and the smell of the simmering broth immediately brightened the gray day. It was the first time I realized how humble ingredients can transform a mood. Now this soup is my go to remedy for any rainy weather.

One evening I made this for my sister who swears she hates cauliflower. I did not mention the ingredients until she had finished her second bowl and asked for the recipe. We sat by the window watching the rain and the sound of the blender was the only thing interrupting our laughter. Seeing her enjoy something so healthy made me feel like a culinary magician.

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Ingredients

  • 1 medium head cauliflower: Choose a firm head because those florets provide the creamy body once they are blended.
  • 1 medium head broccoli: Including the stems is a great way to add extra fiber and flavor without wasting food.
  • 1 medium onion: Sauteing the onion until translucent creates a sweet base that balances the earthy greens.
  • 2 celery stalks: These provide an essential savory background note that makes the soup taste more complex.
  • 2 medium carrots: They add a subtle sweetness and help create a beautiful golden hue in the final blend.
  • 2 garlic cloves: Fresh garlic is best here because it releases a pungent aroma that infuses the oil.
  • 4 cups vegetable broth: I prefer using a low sodium version so I can control the saltiness myself at the end.
  • 1 cup milk: Stirring this in at the end provides a velvety finish that makes every spoonful feel luxurious.
  • 2 tablespoons olive oil: A good quality oil helps to carry the flavors of the dried herbs throughout the dish.
  • 1 teaspoon dried thyme: This herb adds an earthy depth that perfectly complements the sweetness of the carrots.
  • 1/2 teaspoon dried oregano: Just a pinch adds a Mediterranean flair that keeps the soup from tasting bland.
  • Salt and pepper: Use these generously to wake up all the other flavors in the pot.
  • 2 cups crusty bread: Stale sourdough works best because it develops a beautiful golden crunch in the oven.
  • 1/2 teaspoon garlic powder: This ensures every single crouton is packed with a savory punch.
  • Pinch of salt: This small addition helps to highlight the garlic and olive oil on the toasted bread.
  • 2 tablespoons fresh parsley: This adds a pop of color and a fresh herbal finish to the bowl.
  • Grated Parmesan: Sprinkle this on top at the end for a salty and savory kick if you want extra richness.

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Instructions

Prep the Croutons:
Toss those bread cubes in the oil and spices until they are glistening and bake them until they smell like a cozy bakery.
Soften the Base:
Listen for the gentle sizzle as the onions and carrots soften in the pan while their sweet aroma fills the room.
Release the Aromas:
Stir in the garlic and herbs for just a minute until the kitchen starts to smell like an herb garden.
Cook the Florets:
Let the broccoli and cauliflower dance in the pot for a few minutes to soak up the herb infused oil.
Simmer Slowly:
Pour in the broth and let the vegetables simmer until they are tender enough to fall apart with a fork.
Blend it Smooth:
Watch the chunky mixture transform into a silky green velvet as the immersion blender does its work.
Final Seasoning:
Stir in the milk to reach a beautiful pastel shade and taste to ensure the salt hits just right.
Serve and Garnish:
Ladle the soup into bowls and top with the croutons and fresh parsley for a beautiful presentation.
Spoon dipping into a warm bowl of Cauliflower and Broccoli Soup, revealing its velvety smooth texture and tender vegetable pieces. Save
Spoon dipping into a warm bowl of Cauliflower and Broccoli Soup, revealing its velvety smooth texture and tender vegetable pieces. | saborzitoune.com

There was a specific Sunday when the power went out and we finished cooking this over a camping stove. We ate it by candlelight and the soup tasted even better in the dark. It became a symbol of resilience and warmth for our family.

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The Secret to Smoothness

If you want the silkiest texture possible you should spend an extra minute or two with the immersion blender. I used to stop as soon as it looked uniform but pushing past that point creates a professional mouthfeel.

Bread Choices Matter

The croutons are not just a garnish but a vital component of the experience. I have tried using crackers before but nothing beats the way toasted bread holds onto the garlic powder.

Making It Your Own

This recipe is a canvas and you can easily swap the spices depending on what you have in the pantry. Sometimes I add a bit of curry powder for a completely different flavor profile.

  • Add a squeeze of lemon juice at the end for brightness.
  • Use heavy cream instead of milk for a more indulgent dinner.
  • Top with roasted sunflower seeds for an extra nutty crunch.
Homemade Cauliflower and Broccoli Soup served hot with crunchy garlic croutons and fresh herbs, perfect for a comforting chilly day meal. Save
Homemade Cauliflower and Broccoli Soup served hot with crunchy garlic croutons and fresh herbs, perfect for a comforting chilly day meal. | saborzitoune.com

This soup is a testament to the magic of simple vegetables and a little bit of patience. I hope it brings as much warmth to your table as it does to mine.

Recipe FAQs

Can I make this soup ahead of time?

Yes, prepare up to 3 days in advance and store in the refrigerator. The flavors often develop better overnight. Add croutons just before serving to maintain their crunch.

How do I freeze this soup?

Cool completely, then transfer to airtight containers leaving space for expansion. Freeze for up to 3 months. Thaw overnight in the refrigerator before reheating gently on the stovetop.

Can I use frozen vegetables?

Frozen cauliflower and broccoli work well. Use equal weight to fresh and add directly to the pot. Cooking time may need slight adjustment as frozen vegetables release more moisture.

What can I serve with this soup?

Pair with crusty bread, a simple green salad, or a grilled cheese sandwich. The soup itself is substantial enough to stand alone as a light main course.

How can I make it extra creamy?

Stir in heavy cream, coconut milk, or purée a cooked potato with the vegetables. A dollop of sour cream or Greek yogurt on top adds richness and tang.

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Creamy Cauliflower and Broccoli Soup

Creamy vegetable soup with cauliflower, broccoli, and herbs topped with golden croutons

Prep time
15 minutes
Time to cook
30 minutes
Overall time
45 minutes
Created by Lucinda Wolfe


Skill level Easy

Cuisine International

Makes 4 Portions

Dietary details Suitable for vegetarians

What You'll Need

Vegetables

01 1 medium head cauliflower, cut into florets
02 1 medium head broccoli, cut into florets
03 1 medium onion, diced
04 2 celery stalks, diced
05 2 medium carrots, diced
06 2 garlic cloves, minced

Liquids

01 4 cups vegetable broth
02 1 cup milk or unsweetened plant-based milk

Spices & Seasoning

01 2 tablespoons olive oil
02 1 teaspoon dried thyme
03 1/2 teaspoon dried oregano
04 Salt and freshly ground black pepper, to taste

Croutons

01 2 cups cubed crusty bread
02 2 tablespoons olive oil
03 1/2 teaspoon garlic powder
04 Pinch of salt

Optional Toppings

01 2 tablespoons chopped fresh parsley
02 Grated Parmesan or vegetarian hard cheese, optional

How To Make

Step 01

Prepare croutons: Preheat oven to 375°F. Toss bread cubes with 2 tablespoons olive oil, 1/2 teaspoon garlic powder, and a pinch of salt. Spread on a baking sheet and bake for 10 to 12 minutes until golden and crisp. Set aside.

Step 02

Sauté aromatic vegetables: In a large pot, heat 2 tablespoons olive oil over medium heat. Add diced onion, celery, and carrots; sauté for 5 minutes until softened.

Step 03

Build flavor base: Add minced garlic, 1 teaspoon dried thyme, and 1/2 teaspoon dried oregano; cook for 1 minute until fragrant.

Step 04

Add brassicas: Stir in cauliflower and broccoli florets; cook for 2 to 3 minutes.

Step 05

Simmer vegetables: Pour in 4 cups vegetable broth; bring to a boil, then reduce heat and simmer covered for 15 to 20 minutes until vegetables are tender.

Step 06

Blend to desired consistency: Remove from heat. Use an immersion blender to blend soup until smooth and creamy, or transfer in batches to a stand blender and blend until desired consistency.

Step 07

Finish with dairy: Stir in 1 cup milk; season with salt and pepper to taste. Gently reheat if needed.

Step 08

Serve: Ladle soup into bowls and top with croutons, fresh parsley, and grated cheese if desired. Serve hot.

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Tools Needed

  • Large soup pot
  • Knife and cutting board
  • Baking sheet
  • Immersion blender or stand blender
  • Wooden spoon

Allergy details

Double-check each ingredient for allergens and ask your healthcare provider with any concerns.
  • Contains wheat from croutons
  • Contains milk if using dairy milk or cheese
  • Use gluten-free bread for croutons to accommodate gluten sensitivity
  • Use plant-based milk and omit cheese for dairy-free preparation
  • Always check ingredient labels for hidden allergens

Nutrition info (per portion)

Nutrition details are just for reference and can't replace advice from a doctor.
  • Energy (kcal): 240
  • Fat content: 10 grams
  • Carbohydrates: 30 grams
  • Proteins: 8 grams

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