Slow Cooker Cauliflower Soup topped with bacon, cheese and chives is the perfect comfort-food, and it’s keto-friendly. Just add all the ingredients to your crockpot and go!
Table of Contents
Cauliflower is a perfect, low-carb swap in recipes! Mashed Cauliflower, Cauliflower Fried Rice, and Cauliflower Buffalo Wings are just a few favorites in our house. But my favorite cauliflower dish of all time may be this slow cooker cauliflower cheese soup.
And though my instant pot has been getting more and more attention lately, I’m making this cauliflower and leek soup in the slow cooker.
Why?
I love the fact that you can just dump everything into the crockpot in the morning, and then have dinner waiting for you in the evening. It’s especially useful if you work during the day, or if you’re out and about with the kids, or if you have a potluck to attend.
Reader
Love
I made this Sunday- followed the recipe but only had Tex mex habnaro cheese- It added a nice kick to the flavour. Excellent! Thank you for this recipe, it was simple to put together, and tasted amazing
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Ingredient notes
- Cauliflower – You can take a shortcut by purchasing pre-cut cauliflower florets in the produce department.
- Leeks & Celery
- Garlic
- Chicken Broth – Or, swap in my slow cooker bone broth or instant pot bone broth. Or, use vegetable broth for a vegetarian soup.
- Cheddar Cheese – Or, use your favorite cheese. Swiss, pepper jack, and monterey jack would all be delicious.
- Heavy Cream
- Salt and Pepper
How to make it
Step 1
Add ingredients to crock pot and cook
- Add cauliflower, leeks, celery, garlic, chicken broth and pepper to your slow cooker.
- Cover and cook on LOW for 6-8 hours, or HIGH for 3-4 hours.
Step 2
Puree and season
- Puree with an immersion blender, or transfer to a blender and pulse (in batches if needed) until smooth.
- Add cheese and heavy cream, and stir until melted.
- Season with salt and pepper, to taste.
Step 3
Garnish and enjoy
- Serve with desired toppings.
- I love a dollop of sour cream, bacon and extra cheese!
Topping ideas
- Bacon – I love this air fryer bacon when making small batches
- Shredded Cheese
- Sour Cream or Greek Yogurt
- Chives or Green Onions
- Toasted Pine Nuts
Variations
- With Ham: Add 2 cups cooked, cubed ham.
- With Potatoes: Add 4 medium russet potatoes, peeled and cut into same size pieces as cauliflower. You may need to add additional milk.
- With Broccoli: Add 3 cups chopped broccoli, cut into same size pieces as cauliflower.
- Curry: Add 1 Tbsp. curry powder before cooking.
- Spicy: Add 2 chipotle peppers, or swap out the cheddar cheese for pepper jack.
How to make ahead and store
- Fridge: This soup will keep for up to five days stored tightly sealed in the refrigerator.
- Freezer: Store tightly sealed in the freezer for up to three months.
FAQs
Your soup may simply need more seasoning. This can be due to the type of broth that you’re using, as some brands have more salt than others. Simply season your soup with more salt and pepper, to taste.
Yes! This soup is keto-friendly.
There are 286 calories in a bowl of this cauliflower cheese soup.
There are 10 carbs in a bowl of this cauliflower soup.
More slow cooker recipes
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Full Recipe
Crock Pot Cauliflower Soup
Equipment
Ingredients
- 1 head cauliflower (roughly chopped)
- 1 cup leeks (washed and sliced (white parts only))
- 2 stalks celery (diced)
- 3 cloves garlic (minced)
- 4 cups chicken broth
- 1/2 teaspoon black pepper
To Finish:
- 2 cups sharp cheddar cheese (shredded )
- ⅔ cups heavy cream
- Kosher salt and freshly ground black pepper (to taste)
To Garnish:
- Bacon (cooked and crumbled )
- Chives
- Shredded cheddar cheese
- Sour Cream
Instructions
- Add 1 head cauliflower, 1 cup leeks, 2 stalks celery, 3 cloves garlic, 4 cups chicken broth and 1/2 teaspoon black pepper to a slow cooker.
- Cover and cook on LOW for 6-8 hours.
- Puree with an immersion blender, or transfer to a blender and pulse until smooth.
- Add 2 cups sharp cheddar cheese and ⅔ cups heavy cream, and stir until melted. Season with salt and pepper, to taste.
- Serve with desired toppings.
Notes
-
Fridge: This soup will keep for up to five days stored tightly sealed in the refrigerator.
-
Freezer: Store tightly sealed in the freezer for up to three months.
- With Ham: Add 2 cups cooked, cubed ham.
- With Potatoes: Add 4 medium russet potatoes, peeled and cut into same size pieces as cauliflower. You may need to add additional milk.
- With Broccoli: Add 3 cups chopped broccoli, cut into same size pieces as cauliflower.
- Curry: Add 1 Tbsp. curry powder before cooking.
- Spicy: Add 2 chipotle peppers, or swap out the cheddar cheese for pepper jack.
Nutrition
This post was originally published in 2020. It was updated in 2023 to add new information. The keto slow cooker cauliflower soup recipe remains the same. Enjoy!
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