Cauliflower Leek Soup (Paleo & Whole30 with Vegan Option)

This Cauliflower Leek Soup tastes just like potato leek soup – it’s incredibly flavorful and super creamy without ANY dairy needed! Made in just 30 minutes, this Paleo + Whole30-approved soup will definitely warm you up and satisfy – it’s also easily made vegan.

This Cauliflower Leek Soup tastes just like potato leek soup - it's incredibly flavorful and super creamy without ANY dairy needed! Made in just 30 minutes, this Paleo + Whole30-approved soup will definitely warm you up and satisfy - it's also easily made vegan.

I’ve been promising you more savory recipes for a little while now, and I’m finally following through! With one of my all time FAVORITES, no less.

We grew up eating potato leek soup in our house. Always homemade by my mom, usually with some cauliflower snuck in there, and mopped up with crunchy homemade garlic bread. The memories could make me drool.

This Cauliflower Leek Soup tastes just like potato leek soup - it's incredibly flavorful and super creamy without ANY dairy needed! Made in just 30 minutes, this Paleo + Whole30-approved soup will definitely warm you up and satisfy - it's also easily made vegan.

Over time, my mom eventually just replaced all the cauliflower with potatoes and neither me or my sister were any the wiser. I recently asked my mom for the potato leek soup recipe she always makes, and it was only then that I learned she didn’t use potato, just cauliflower.

News to me, but seriously, you don’t miss the potato AT ALL. This soup is luxuriously creamy, and there’s no need for cream or butter or potatoes to give it a boost. The cauliflower, when cooked until perfectly tender, do it all on their own.

This Cauliflower Leek Soup tastes just like potato leek soup - it's incredibly flavorful and super creamy without ANY dairy needed! Made in just 30 minutes, this Paleo + Whole30-approved soup will definitely warm you up and satisfy - it's also easily made vegan.

My mom’s recipe was super simple – pretty much just leeks, maybe some onion, cauliflower, chicken stock, and salt and pepper. I kept it pretty similar to the classic, but I added a few nuggets of flavor boosting goodness.

I caramelized the onions and leeks a bit, which contributes to the darker color of the soup. It gives a richer, deeper flavor to the soup. I also added some dried thyme, which pairs wonderfully here, as well as some roasted garlic. It was calling to me from the fridge and I knew it’d be a wonderful addition. If you don’t want to roast garlic just for this but still want some garlicky flavor, you can toss in a clove or two of raw garlic, depending on how strong you like it.

This Cauliflower Leek Soup tastes just like potato leek soup - it's incredibly flavorful and super creamy without ANY dairy needed! Made in just 30 minutes, this Paleo + Whole30-approved soup will definitely warm you up and satisfy - it's also easily made vegan.

I opted for homemade chicken stock I had on hand, but to keep this recipe vegan, you can use veggie stock and it’ll be just as good! I also added a squeeze of lemon juice at the end to add a little brightness.

To blend the cauliflower leek soup into luscious creamy goodness, you can put the soup in your blender (I used my Vitamix) or use an immersion blender and blend right in the pot! For garnish, a sprinkle of crispy prosciutto and fresh green onions are the perfect pairing.

This Cauliflower Leek Soup tastes just like potato leek soup - it's incredibly flavorful and super creamy without ANY dairy needed! Made in just 30 minutes, this Paleo + Whole30-approved soup will definitely warm you up and satisfy - it's also easily made vegan.

Let me know if you like seeing my savory recipes, and I’ll start sharing more of them in addition to my sweet goodies :) enjoy, my friends!

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Cauliflower Leek Soup (Paleo, Whole30 + Vegan Option)
 
Prep time
Cook time
Total time
 
Author:
Serves: 4 servings
Ingredients
  • 2 tablespoons olive oil
  • 1 medium onion, sliced
  • 2 leeks, sliced thin (only the white part)
  • 1 large head or 2 small heads cauliflower, about 1.5 lbs. (fresh recommended, but frozen will work)
  • 4 cups chicken or vegetable stock (use vegetable stock to keep vegan)
  • 1 teaspoon dried thyme
  • 3-5 cloves roasted garlic, optional
  • ½ of 1 fresh lemon
  • Salt + pepper, to taste
To garnish
  • Prosciutto or bacon, sautéed until crunchy + crumbled up (skip this to keep vegan)
  • Green onions, sliced
Directions
  1. In a large saute pan, heat two tablespoons olive oil over medium heat. Add the leeks and onion and saute until the onions are starting to caramelize and the leeks are starting to turn golden brown.
  2. Add the cauliflower and sauté until it starts to brown. Add the chicken or vegetable stock and dried thyme and bring to a boil. Reduce heat to medium-low and simmer for about 15 minutes, until the cauliflower florets are tender and cooked through.
  3. Add the roasted garlic if using, and lemon juice and use an immersion blender to puree the soup until smooth. You can also ladle the soup into a blender to blend until smooth.
  4. Taste the soup for seasoning and add salt and pepper to taste. If it’s thicker than you’d like, thin it out with a bit of extra stock. Serve with a drizzle of olive oil, crispy prosciutto, and green onions.
This Cauliflower Leek Soup tastes just like potato leek soup - it's incredibly flavorful and super creamy without ANY dairy needed! Made in just 30 minutes, this Paleo + Whole30-approved soup will definitely warm you up and satisfy - it's also easily made vegan.

Comments

  1. Moms know best don’t they? To this day I haven’t tried a cauliflower soup but it’s on my priority list. This looks perfect, Rachel, and I love leeks so much!
    marcie recently posted…February Seasonal Produce GuideMy Profile

  2. I don’t think I’ve ever had cauliflower leek soup, but it sure looks good! perfect healthy comfort food! :)
    Beth @ bethcakes recently posted…Mint Chocolate Chip CakeMy Profile

  3. I’ve never had a cauliflower soup before, but this looks AMAZING! I’m sure it tastes just as good, if not better, than the potato version. And I love how creamy this is, too! Perfect comfort food for the winter!
    Gayle @ Pumpkin ‘N Spice recently posted…Grilled Shrimp Alfredo PastaMy Profile

  4. Cauliflower can be used in so many recipes, isn’t it? Thanks for sharing yet another way of using cauliflower to make such a nutritious soup!

  5. Hooray for savory, Rachel! You know I’m a fan of sweets, but I’m enjoying the savory your sharing! Keep em’ comin! I’d never heard of cauliflower soup until well into my 30s. Can you believe that?! I love how you caramelized the leeks.. such a delicious flavor builder and worth the extra time. Delicious my dear!
    Traci | Vanilla And Bean recently posted…Roasted Habanero Carrot SalsaMy Profile

  6. I love cauliflower cause you can turn it into so many things. And I’m diggin’ the caramelized leek you threw on top. Just a little extra lovin in the kitchen goes a long way!
    annie recently posted…Easy Vegan EnchiladasMy Profile

  7. Excellent timing! I just bought leeks and cauliflower this morning…guess what I will be making tomorrow ;)

  8. Yes, I enjoy the savory recipes as well. This one seems easy and quick which is what I like about a recipe. I just made another cauliflower soup which was delicious. This one sound delicious too. Definitely keep the sweet recipes coming! :)

  9. Yes, please, more like this Rachel!

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  1. […] This Cauliflower Leek Soup tastes just like potato leek soup – it’s incredibly flavorful and super creamy without ANY dairy needed! Made in just 30 minutes, this Paleo + Whole30-approved soup will definitely warm you up and satisfy – it’s also easily made vegan. […]

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