Keto Cauliflower Leek Soup

This tasty Keto Cauliflower Leek Soup is perfect to detox and nourish your body after overindulging dinners.

An-after holidays must-have recipe to cleanse our body and reset our diet with fewer carbs and starchy food.

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What’s A Keto Soup?

A keto soup is like any classic soup but it’s made with lower-carb vegetables such as cauliflower or pumpkin.

Keto soups also tend to be higher in fat than regular recipes to keep your macros high.

How To Make Keto Leek And Cauliflower Soup

I love to use vegetable stock as a base for this soup, but chicken stock is a great option as well. Leek and cauliflower are both very low-carb vegetables.

They contain very few calories as well, and they are both amazing sources of fibers, vitamins A and C. Check out my keto vegetable list for a review of all common vegetables!

Key Ingredients

• Leek: Leek is a keto-friendly ingredient that brings nutrients, color, and a delicious taste to soups.
• Onion: While onions have more carbs than some other vegetables, adding just a few to this recipe brings a great taste. If you want to reduce the carbs more, skip the onion.
• Cauliflower: Cauliflower is one of the lowest-carb vegetables and brings a great texture to the recipe.
• Vegetable Stock: or chicken stock for a slightly meaty flavor.
• Sour Cream: Sour cream brings some tanginess to the soup and is a keto-friendly cream option.
• Heavy Cream: Heavy cream is useful to increase the fat and reach your macros.

Serving The Soup

The texture is not very thick or creamy. It’s a light soup with lots of spices and flavor, perfect for a light family dinner.

I drizzle some extra virgin olive oil on my bowl with some grated mozzarella.

Storage Instructions

This soup can be stored for up to 3 days in the fridge or frozen for later in airtight containers.

Always wait for the soup to reach room temperature before packing it in containers.

Frequently Asked Questions

More Healthy Soup Recipes

If you like healthy soups, try my following healthy soup recipes:

Acorn Squash Soup

5-Ingredients Taco Soup

Roasted Butternut Squash Soup

Tomato Florentine Soup

Keto French Onion Soup

4-Ingredient Potato Soup

Keto Pumpkin Soup

Keto Butternut Squash Soup With Ginger

Keto Cauliflower Soup

Pumpkin And Cabbage Soup

Made this soup? Share a picture with me on Instagram! 

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Leek Cauliflower Soup

6.7gNet Carbs

A low-carb detox soup perfect for enjoying as a cleanse soup after holidays. This Leek cauliflower soup is light, with delicious spices flavors.

Author: Carine Claudepierre

Prep: 5 minutes mins

Cook: 25 minutes mins

Total: 30 minutes mins

Yield: 12 bowls

Serving Size: 1 bowl

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4.75 from 16 votes

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Ingredients

US CustomaryMetric

To roast vegetables

• ▢ 3 tbsp Extra Virgin Olive Oil
• ▢ 2 Leek remove the very green top part, trim feet, roughly chop
• ▢ 1 small Onion peeled, roughly chopped
• ▢ 1 large Cauliflower Head chopped into small florets (about 8 cups)

Soup

• ▢ 5 cups Vegetable Stock
• ▢ 1 cup Sour Cream
• ▢ 1 cup Heavy Cream or coconut cream if vegan
• ▢ 2 Garlic Clove peeled and smashed
• ▢ ½ teaspoon Thyme
• ▢ ½ tsp Salt

Instructions

• Preheat the oven to 350°F (180°C).
• Spread the chopped vegetables: leek, cauliflower, and onion, onto a baking tray in a single layer.
• Drizzle the olive oil onto the vegetables and toss everything together until the vegetables are well coated.
• Roast vegetables for 20-30 minutes, tossing vegetables every 5-10 minutes. The vegetables must be tender enough to be blended after the roasted process.
• Meanwhile, pour the vegetable stock with thyme and salt into a large pot (must fit all your vegetables!) and bring to a simmer.
• Once vegetables have roasted through, place them into the pot with stock.
• Add in heavy cream and sour cream.
• Blend with an immersion blender until it forms a creamy smooth soup. Adjust the quantity of stock to reach the desired consistency. The more stock you add, the more liquid the soup will be.
• Serve with 2-4 tablespoons of grated cheddar per bowl or a simple drizzle of olive oil and fresh herbs.
• Store up to 3 days in the fridge or freeze for later in airtight containers. Always wait for the soup to reach room temperature before packing it in containers.

Tools

Getting Started What Is Keto? Macro Calculator Sweetener Converter Intermittent Fasting    Keto    Fruits Keto Vegetables Keto Flours Fighting Keto Flu Healthy Sweeteners

Want My Kitchen Equipment?

Baking Sheet

Cast-Iron Dutch Oven

Measuring Cups Set

Vitamix Immersion Blender

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NutritionServing Size: 1 bowl

Yield: 12 bowls

Nutrition

Serving: 1 bowlCalories: 170.9 kcal (9%)Carbohydrates: 8.5 g (3%)Fiber: 1.8 g (8%)Net Carbs: 6.7 gProtein: 2.7 g (5%)Fat: 14.6 g (22%)Saturated Fat: 7.1 g (44%)Polyunsaturated Fat: 0.9 gMonounsaturated Fat: 5.3 gCholesterol: 33.7 mg (11%)Sodium: 524.2 mg (23%)Potassium: 289.9 mg (8%)Sugar: 4.2 g (5%)Vitamin A: 870.9 IU (17%)Vitamin B12: 0.1 µg (2%)Vitamin C: 36.5 mg (44%)Vitamin D: 0.3 µg (2%)Calcium: 59.3 mg (6%)Iron: 0.7 mg (4%)Magnesium: 18.8 mg (5%)Zinc: 0.3 mg (2%)