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Slow Cooker Broccoli Cheddar Soup

4.9 from 79 votes

posted: 08/03/16

This post may contain affiliate links. Please read my disclosure policy
This post may contain affiliate links. Please read my disclosure policy

This Slow Cooker Broccoli Cheddar Soup is simple and so delicious! Made in the crock pot with fresh ingredients, make it once and it will become part of your dinner rotation!

a small soup bowl filled with broccoli cheddar soup topped with shredded cheddar cheese.

I’m so excited to be partnering with Crystal Farms® Cheese to make this soup cheesy in the most delicious way possible!

Are you ready for the most mind-blowing Broccoli Cheddar Soup ever?

This recipe has:

  • Comes together easily in your slow cooker.
  • Has minimal ingredients.
  • Even less hands on time.
  • Has the best, most amazing flavor you could ask for.

Should we make it??

a crock pot filled with shredded carrots, diced onions, and broccoli florets with chicken stock being poured on them for slow cooker broccoli cheddar soup

How to Make Slow Cooker Broccoli Cheddar Soup

This Slow Cooker Broccoli Cheddar Soup is so easy to make.

Start by adding carrots, onions, broccoli, chicken stock (or vegetable stock), and a few spices to your slow cooker.

Cook on low for four hours.

NOTE! If you like your Broccoli Cheddar Soup to be completely smooth, now is the time to blend it. I choose not to blend mine.

At the end of the cook time, turn your slow cooker to HIGH FOR 30 MINUTES, and create a roux on the stovetop. This is going to add the thick creamy backbone to the soup. It is worth the five or so minutes it will take. (See the section below on tips and tricks for making a roux.)

an overhead view of a brown soup bowl filled with crock pot broccoli cheddar soup with a block of cheddar cheese next to it

Next add cheddar cheese to the roux. I love using Crystal Farms® Cheese. There really are differences in cheeses, and for this soup to be good, you want to make it with a high quality cheddar, like Crystal Farms. It’s at the heart of the flavor of your soup, so it’s the way to go.

Add the shredded cheese to the roux and then add the cheesy roux to the slow cooker.

And that’s it! So simple, right?

How to Make a Roux

As I mentioned above, the backbone of this soup is the roux. Without it, you don’t get the creaminess that you are likely expecting from this soup.

These tips will help:

  • Let the butter melt completely over low heat and then whisk in the flour.
  • Cooking the flour/butter mixture for 30 seconds before adding any liquid adds a nice flavor to it.
  • Using the cooking liquid from the crock pot is a nice trick that makes for an incredibly flavorful soup.
  • When you add the stock, add just a little at a time to start over medium heat. It helps it combine more evenly.

Shred Your Own Cheese

You have likely heard me say this so many times. It is worth the extra five minutes to shred your own cheese. It melts much much better than a bag of pre shredded cheese.


This soup is best served right away, but if you have left overs (you won’t), heat it over low heat on your stove top!

Other Great Soups

I have a great recipe for Broccoli Cheddar Soup on the stove top if you forgot to start your slow cooker!

My Slow Cooker Creamy Tortellini Soup is delicious comfort food.

I love how easy my Slow Cooker Vegetable Meatball Soup is!

If you make this soup or any of my other recipes, leave me a comment and let me know!

a close up of a brown bowl of broccoli cheddar soup topped with cheddar cheese
4.9 from 79 votes

Slow Cooker Broccoli Cheddar Soup

Serves: 6
(tap # to scale)
Prep: 15 minutes
Cook: 4 hours 30 minutes
Total: 4 hours 45 minutes
This Slow Cooker Broccoli Cheddar Soup is beyond simple, but so delicious!  It definitely needs to be part of your dinner rotation!


  • 4 cups broccoli florets cut into small bite sized pieces
  • 1/2 yellow onion diced small
  • 2 cups shredded carrots
  • 4 cups chicken stock (or vegetable stock)
  • 1 tsp kosher salt
  • 1/2 tsp black pepper
  • 1/8 tsp nutmeg
  • 3 TBSP unsalted butter
  • 1/3 cup all purpose flour
  • 1 cup half and half
  • 2 cups shredded cheddar cheese (see note)


  • Combine the broccoli, onion, shredded carrots, chicken stock, salt, pepper, and nutmeg in the slow cooker and cook on low for four hours.
  • Turn the slow cooker to high.
  • In a small saucepan melt the butter.  Slowly whisk in the flour.  Get a cup of liquid from the slow cooker.  Very very slowly add it to the sauce pan whisking it in as you go.  Then very slowly whisk in the half and half.
  • Add the shredded cheese to the roux mixture a little at a time until it is fully melted and combined.
  • Add the cheese sauce to the crock pot and stir it in to combine.  
  • After it is fully combined, serve and enjoy!


Cheddar cheese shredded off the block (rather than store bought shredded) works best in this recipe!
Serving: 1serving Calories: 397kcal (20%) Carbohydrates: 19.6g (7%) Protein: 19.1g (38%) Fat: 26.8g (41%) Saturated Fat: 15.4g (96%) Polyunsaturated Fat: 1.2g Monounsaturated Fat: 6.1g Trans Fat: 0.5g Cholesterol: 84.9mg (28%) Sodium: 762.5mg (33%) Potassium: 345.8mg (10%) Fiber: 3.5g (15%) Sugar: 6.2g (7%) Vitamin C: 6.3mg (8%) Calcium: 1212.3mg (121%) Iron: 1mg (6%)
Author: Lisa Longley
Course: Main Course
Cuisine: American


did you make this

Slow Cooker Broccoli Cheddar Soup

I’d love to see what you made! Tag me @lisasimplejoy and hashtag it #simplejoyrecipes!

Hi! I'm Lisa Longley, and I am committed to giving you simple dinner ideas and recipes that are easy to make; recipes that will fill your home with joy. I am the owner and author of SimpleJoy.com and I'm so glad that you are here.

Reader Interactions


    Have a question? Use the form below to submit your question or comment. I love hearing from you & seeing what you made!

    Rate This Recipe:

  1. Judy Clark says

    Can you use frozen broccoli florets? Not going to store for a few days and want to make this asapl. Thank you in advance for answer.

    • Lisa Longley says

      Hi Judy! I haven’t tried this with frozen broccoli. My only concern would be that it would thin the soup a little, but I don’t think that would be the end of the world.

  2. Sara Fry says

    5 stars
    This is the first time I made this type of soup it was sooo good!! Great flavors!

  3. Keith says

    Do you see any reason I couldn’t make the cheese portion ahead of time and refrigerate it until I mix it in the slow cooker?

    • Lisa Longley says

      I think that will likely be okay. I am a little worried about it separating. But worst case scenario is that happens and you just have to warm it over low heat on the stove top to combine it again.

  4. Jmh says

    1 star
    Terrible. Broccoli was overcooked and the soup never thickened. Followed recipe to the letter. Very disappointed and will stick to my 40 minute stove top version: Healified broccoli cheddar soup

    • Lisa Longley says

      I’m so sorry to hear that you didn’t like this. It has worked out so well for so many other readers.

  5. Kathy says

    I’m not a recipe girl or crockpot. I’m learning. This came out delicious 😋 Thank you.Kathy😄

    • Lisa Longley says

      So glad you liked this, Kathy!

  6. Kat says

    Made this tonight- added a teaspoon of minced garlic during the saucepan part and topped it with a little everything bagel seasoning and it was great!!

  7. Chelsea says

    I just made this and it came out perfect. Can’t wait to eat it looks delicious 😋🤤

  8. Louise Masters says

    5 stars
    Oh my gosh. This is absolutely delish. Second time making it in a week. Yummy! Easy! Filling! Beautiful! Family pleaser!

  9. Sabrina says

    This is my 2nd time making this soup today i doubled the recipe becasue last time was not enough for my husband, kids and I. I also add cumin and a little ginger powder and comes out so good. This is my fav quick and easy soup recipe that i can put in the crock pot on a busy day.

  10. Pamela says

    I made this soup to the tee, but my vegetables were still not cooked all the way and after I poured the roux into the crockpot it made it really runny.
    Is there any way I could put it on the stove to cook the vegetables more and thicken up the juice with cornstarch mixture?

    • Lisa Longley says

      Hi Pamela! First, I want to say that I’m so sorry that this recipe didn’t work for you. Second, I’m having a really difficult time figuring out what could have gone wrong here. Definitely all slow cookers are different, so that could account for the vegetables not being finished, but really they are getting plenty of time in the slow cooker. As for the roux, did you take liquid from the slow cooker to make it? Or did you add extra stock? The roux should thicken things up, I’ve never had it make something more runny. I’m probably too late to help you with this batch, but for the future, time on the stove top uncovered would work. I wouldn’t add cornstarch, I would just like it thicken up as it cooks uncovered.

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5 Secrets to Stress Free Dinners



5 Secrets to Stress Free Dinners