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Creamy Cheesy Broccoli Cauliflower Soup


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Creamy Cheesy Broccoli Cauliflower soup is easy to make and SO delicious.  It’s Warm, filling and FAIRLY low-carb depending on how you thicken it.

Enjoy this cream of broccoli and cauliflower soup recipe bursting with rich cheesy broccoli flavor. Your family will love this hearty soup and the leftovers are amazing.

This cream of broccoli soup recipe has chunks of  delicious broccoli and cauliflower floating in a cheesy cream soup base.  These cruciferous vegetables are deliciously good for you.

This creamy vegetarian soup recipe came to me years ago from my friend Tina. She made this soup for a church potluck one Sunday.  I instantly fell in love with it.

I pestered her relentlessly until she graciously emailed me her recipe for broccoli cauliflower cream soup. You are going to LOVE this soup recipe.

Broccoli Cauliflower Cream Soup
Broccoli Cauliflower Cream Soup

Our family loves this broccoli and cauliflower soup. I have made it for decades. It’s perfect for a potluck, large family gathering, or warm cozy dinner with leftovers.

Broccoli and cauliflower are the stars of this luscious concoction. Floating vegetables in a creamy cheesy soup base makes a lovely and tasty quick dinner.

Broccoli Cauliflower Cream Soup
Broccoli Cauliflower Cream Soup

Cheesy Creamy Broccoli Cauliflower Soup Recipe:

Broccoli and cauliflower taste wonderful together in this soup. This makes a yummy quick, vegetarian dinner. 

Fresh Cauliflower And Broccoli On A Cutting Board.
Use fresh heads of broccoli and cauliflower for best results in your soup.

TIPS on How to Make Broccoli Soup:

  • For best results please use high quality fresh broccoli and cauliflower.
  • Frozen vegetables are not recommended although I have done it. Thaw first if you want to use up frozen veggies.
  • You can easily adjust the amount of cheese, flour and milk. Make this broccoli cheddar soup the perfect thickness for the crowd you plan to feed.  Start with the amount of broccoli and cauliflower you have or the number of people you want to feed.
  • This cheesy broccoli soup recipe works well with different cheeses. Cheddar is a good choice but the original recipe actually calls for Jack cheese. Colby-Jack mix is what you see in our video. Taste great!
  • Adjust the chunkiness of this recipe as you wish. After the vegetables are steamed you can use your immersion blender, food processor or larger blender to puree the soup. Reduce the chunks of the veggies as you wish.
  • Yes I DO have concrete measurements in the printable for you. But once you have made it. Adjust it at will next time.
  • While steaming the broccoli and cauliflower, make your cheese sauce. Gauge the amount of your ingredients for the cheese sauce upon your own preferences for thickness and taste. 
  • Start with the proportions I have listed in the recipe and go from there. Add in the veggies and cheeses after you make the sauce and adjust the sauciness of the soup to your preferences. Salt and pepper to taste.

To make a KETO broccoli Cauliflower Soup:

This is a rich creamy soup easily adjusted to fit your needs and bursting with goodness. It’s naturally low carb.

If you are on a strict diabetic or KETO diet here are a few things you can do to REALLY bring down the carbs.

  • Add more cauliflower than called for and less broccoli
  • Use a KETO approved thickener like Arrowroot or tapioca starch with equal parts water.
  • Use almond or coconut milk in place of the dairy milk called for.
  • Let us know how you make this soup a KETO favorite.
Creamy Broccoli Cheese Soup With Cauliflower
Broccoli Cauliflower Cream Soup

Method For the Best Broccoli Cauliflower Soup Recipe:

You know I LOVE my Instant pot and it makes fantastic soups. CrockPot are also great at making soup. However, I’m a stock pot fan for this recipe.

This hearty winter soup is quick to make on your stove top. In my opinion cheesy Broccoli Cauliflower Soup is best made in your large heavy bottomed stock pot.

Broccoli Cheese Soup
Broccoli cheese soup is Rich and thick with lots of cheesy flavor.

Stove Top Method for This Soup:

  1. Broccoli cheese soup recipes are full of easily curdled and scorched milk, flour and butter. Not to mention the sticky cheese. Those ingredients are not easy to cook in the crock pot or instant pot. 
  2. This stove top recipe will have your dinner ready in under 30 minutes. Why bother with an instant pot or crockpot when you can make it quickly and easily on the stove?
  3. Steam your chopped veggies and then set the steamer insert aside while you make the cream sauce. Dump the veggies and cheese into the large pot full of cream sauce and stir. Dinner is done.

Visual Guide:

Below is a quick walkthrough of this recipe. For more complete details please watch our video demonstration of making this broccoli cheese soup with cauliflower.

Helpful Tools and Equipment:

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Your Printable Recipe Card:

Broccoli Cauliflower Cream Soup
Yield: 10 people

Broccoli Cauliflower Soup Recipe

Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes

An easy delicious, low carb meal ready in about 30 minutes. Rich creamy and cheesy. This filling soup makes a fantastic meatless meal.


  • 1/2 Cup butter
  • 1/4 Cup flour (or low carb thickener)
  • 1 tsp. salt, Optional
  • 4 Cups whole milk
  • 1 large head broccoli, fresh is best (about 4 cups chopped)
  • 1 large head cauliflower, fresh is best(about 4 cups chopped)
  • 4 Cups shredded Cheese, Colby-Jack mix recommended but any will do.



  1. Steam the broccoli and cauliflower in the soup pot (or however you wish) until slightly firm with good texture and color.( about 8 minutes on high heat) Do NOT cook them to mushiness. Remove the veggies and Set aside.

Make the White Sauce

  1. In the large soup pot, melt the butter on low heat.
  2. Raise heat to medium and add the flour. 
  3. Whisk the flour and butter together until it bubbles and immediately pour in 1 cup of milk while whisking.
  4. Add the remaining milk slowly as the sauce thickens, whisking constantly. 


  1. Pour the steamed vegetables and shredded cheeses into the sauce. Stir until all the cheese is melted.
  2. Bring up to slow boil while stirring to thoroughly mix the ingredients. REDUCE the heat to simmer stirring often.
  3. serve at once or store in the fridge for several days covered.


  1. Remove cold soup from fridge and let sit to room temperature. Place on stove on low heat. Stir often to avoid burning the soup as it heats to serving temperature.


When making this soup adjust the thickness as you prefer. The sauce will thicken after you add the veggies and cheeses. Stir the soup constantly to avoid burning. 


  • Add more cauliflower than called for and less broccoli
  • Use a KETO approved thickener like Arrowroot or tapioca starch with equal parts water.
  • Replace the milk with almond or coconut milk

Nutrition Information



Serving Size


Amount Per Serving Calories 373Total Fat 28gSaturated Fat 17gTrans Fat 0gUnsaturated Fat 9gCholesterol 79mgSodium 676mgCarbohydrates 14gFiber 3gSugar 7gProtein 18g

Did you make this recipe?

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Creamy Cheesy Boccoli Cauliflower Soup-Pin Image
Enjoy this cream of broccoli and cauliflower soup recipe bursting with rich cheesy broccoli flavor. Your family will love this hearty soup and the leftovers are amazing.

This recipe was originally posted on September 22, 2014

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