Slow Cooker Broccoli Cheddar Soup

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This slow cooker Broccoli Cheddar Soup recipe produces a creamy, cheesy soup that’s easy to throw together for busy families.

Broccoli cheddar soup in white bowl

I have to admit, I’m one of those folks who can eat soup any time of the year. Other folks? Not so much. I get it. You’re hot outside and come inside to hot food. But isn’t your dinner usually hot anyway? Protein, vegetables, etc.?

Can we talk about the size of that soup trough bowl? That’s for all the moms with hungry teenage boys at home!

This crockpot Broccoli Cheese Soup is so very, very easy and a great solution for busy winter days and every other day in between. (My Jiffy Cornbread with Creamed Corn goes great with this recipe!)


  • onion finely chopped (optional)
  • butter
  • chicken broth
  • milk
  • fresh broccoli 
  • all purpose flour
  • sharp cheddar cheese
  • salt and pepper


Pour chopped onions into slow cooker.

Onions to add to crock pot

Add butter to crock pot. You can use softened butter if you prefer.

Add butter to onions in crock pot

Pour in chicken stock. If necessary vegetable stock is an easy substitution.

Pour chicken stock into crock pot

Pour in milk or you can use heavy cream for a thicker blend.

Pour milk into crock pot

Add chopped broccoli florets to mixture.

Broccoli florets to add to crock pot

Stir all ingredients together and cook on high for 2 1/2 to 3 hrs or low for 4.

Stir all ingredients for broccoli cheese soup in slow cooker

Whisk in flour until combined.

Add flour to crock pot soup mixture

Stir in cheese.

Shredded cheese for soup mixture

Cook on high for 30 minutes more or until cheese is melted thoroughly.

If this dish doesn’t fill you up add a healthy salad or a side of cooked carrots. Enjoy!

Tips for making this recipe

  • Chop broccoli in smaller chunks for a smoother consistency soup.
  • Can substitute low fat milk or non dairy milk for less calories or heavy cream for a thicker flavor.
  • Homemade chicken broth is fine or use one chicken bouillon cube per one cup hot water.
  • Use less broth for a thicker, creamier soup.

Be sure to check out the full recipe and ingredient list.

A bowl filled with broccoli soup

FAQs about Broccoli Cheddar Soup

Your soup may become grainy if the cheese or dairy curdles. With a recipe like this one you shouldn’t have trouble because the cheese is added as a finishing component, just until melted.

You can whisk some cornstarch into cold water or broth until the cornstarch is dissolved, and stir that into the soup. Or you can mix equal parts butter and flour to form a thick paste, then stir that into the soup.

Cook on a low temperature and make sure the cheese is one of the last things added to the soup.

Slow Cooker Broccoli Cheese Soup

With only 6 ingredients this recipe is also budget friendly and delicious!
Course Soup
Cuisine American
Keyword Broccoli Cheddar Soup
Prep Time 10 minutes
Servings 4
Author Marty’s Musings


  • 1 onion finely chopped (optional)
  • 1/2 cup butter
  • 4 cups chicken broth
  • 3 cups milk
  • 4 cups fresh broccoli chopped
  • 1/3 cup all purpose flour
  • 2 cups shredded cheese
  • salt and pepper to taste


  • Combine all ingredients except flour cheese and cook on high for 2 1/2 to 3 hours or low for 4.
  • Whisk in flour until combined and stir in cheese.
  • Cook on high for 30 minutes more or until cheese is melted thoroughly.



If you want larger chunks of broccoli don’t chop it quite as fine. The more it cooks the less the chunky the soup.
Can substitute low fat milk or non dairy milk and margarine if desired.
I make homemade chicken broth but you can also use one chicken bouillon cube per one cup hot water.
If you like a creamier soup use less chicken broth and more cheese.
Slow cooker broccoli cheddar soup in white bowl

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