Keto cauliflower parmesan soup with butter, leek and thyme

This Keto Cauliflower Parmesan Soup features creamy cauliflower enhanced by sautéed leeks, thyme, and rich Parmesan cheese. It's a simple and satisfying low-carb dish perfect for any meal.

23 Jan 2026
Cook time 20 min
Prep time 5 min

Ingredients:

8 tbsp butter
1 dash salt
1 dash black pepper
1 onion
1/2 cup leek
1 cauliflower
2 cups chicken broth
2 cups water
2 tbsp fresh thyme
1/4 cup grated parmesan cheese
Keto cauliflower parmesan soup with butter, leek and thyme

Dive into the delicious world of keto cuisine with this hearty and flavorful Cauliflower Parmesan Soup. Combining the earthy depth of cauliflower, the aromatic touch of leeks and thyme, and the rich essence of Parmesan cheese, this recipe is a culinary delight tailored for those following a low-carb lifestyle. Perfect for a cozy dinner or a warming lunch, this soup not only satisfies your taste buds but also aligns with your keto dietary needs.

Instructions:

1. Prepare the Vegetables:
- Chop the onion and slice the leek (use only the white and light green parts).
- Clean and chop the cauliflower into small florets.
2. Sauté the Aromatics:
- In a large pot, melt the butter over medium heat.
- Add the chopped onion and sliced leek to the pot. Sauté for about 5-7 minutes, until the vegetables are translucent and soft.
3. Add the Cauliflower:
- Add the cauliflower florets to the pot with the sautéed onions and leeks. Stir everything together.
4. Season and Simmer:
- Pour in the chicken broth and water. Stir to combine.
- Add a dash of salt and black pepper to taste.
- Bring the mixture to a boil, then reduce the heat to low. Cover the pot and let it simmer for approximately 20 minutes, or until the cauliflower is very tender.
5. Blend the Soup:
- Once the cauliflower is tender, use an immersion blender to puree the soup until smooth. Alternatively, you can carefully transfer the soup to a blender in batches and blend until smooth. If using a blender, return the blended soup to the pot.
6. Finish the Soup:
- Stir in the fresh thyme and grated Parmesan cheese. Mix until the cheese has melted and the thyme is well distributed.
- Taste the soup and adjust the seasoning with more salt and pepper if needed.
7. Serve:
- Ladle the hot soup into bowls.
- Optionally, garnish with additional Parmesan cheese, a sprig of thyme, or a drizzle of extra virgin olive oil for an extra touch of flavor and presentation.
8. Enjoy:
- Serve your delicious Keto Cauliflower Parmesan Soup hot. This soup makes for a perfect low-carb, comforting meal.

There you have it–a delectable keto cauliflower parmesan soup that promises to be both nutritious and satisfying. With the perfect balance of creamy texture and rich flavors, this soup is sure to become a staple in your keto recipe collection. Enjoy it hot, garnished with a sprinkle of Parmesan and a sprig of fresh thyme for that extra touch of finesse.

Keto cauliflower parmesan soup with butter, leek and thyme FAQ:

How long do I need to simmer the soup?

You should simmer the soup for approximately 20 minutes, or until the cauliflower is very tender. This allows the flavors to meld and ensures the cauliflower is soft enough for blending.

What should I do if my soup is too thick?

If your soup is too thick, you can add additional chicken broth or water gradually until you reach your desired consistency. Blend again if necessary.

Can I use a different type of cheese instead of Parmesan?

Yes, you can substitute Parmesan with other hard cheeses like Pecorino Romano or Grana Padano. Keep in mind that this may alter the flavor slightly.

How should I store leftovers of the soup?

Store any leftover soup in an airtight container in the refrigerator for up to 3-4 days. Reheat gently on the stove or in the microwave before serving.

What are some good substitutions for the ingredients?

You can use olive oil instead of butter for a dairy-free option. For a different flavor, consider adding herbs like rosemary or parsley in place of thyme.

Cooking Tips:

- For a creamier texture, consider blending the soup using an immersion blender or a regular blender until you reach your desired consistency.

- If you prefer a stronger cheese flavor, you can increase the amount of Parmesan or mix in other keto-friendly cheeses such as cheddar or mozzarella.

- To add an additional layer of flavor, sauté the onions and leeks in the butter until they are golden brown before adding the cauliflower.

- Consider garnishing with a drizzle of olive oil or a dollop of sour cream for added richness and flavor.

- Make sure to taste the soup and adjust the seasoning as needed. Some might prefer a pinch more salt or pepper to suit their palates.

- Leftovers can be stored in an airtight container in the refrigerator for up to three days, making it a convenient meal prep option.

Nutrition Facts

6 Servings
Calories 200kcal
Protein 4.67g
Carbohydrates 8g
Fiber 2.56g
Sugar 3.52g
Fat 18g

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