Creamy Cauliflower and Kale Soup

This nutrient-dense soup is a quick, plant-based meal that balances the earthiness of kale with the creamy texture of blended cauliflower. It is a practical choice for a healthy weekday dinner that can be prepared in just 30 minutes.

List of ingredients

• 1 large white or yellow onion, diced (390 g) – provides a savory aromatic base.
• 4 cloves garlic, minced – adds pungent depth to the broth.
• 3 medium carrots, chopped (175 g, approx. 1.5 cups) – contributes natural sweetness and color.
• 1 tsp dried parsley – adds a subtle herbal note.
• 1 tsp ground thyme – provides a woody, earthy flavor.
• 1/2 tsp sea salt – enhances all the other vegetable flavors.
• 6 cups vegetable stock – the liquid base for simmering.
• 1 head of cauliflower, chopped (775 g, approx. 7 cups) – used for both texture and creaminess.
• 4 cups lightly packed, chopped, de-stemmed kale (120 g) – adds vitamins and a vibrant green color.
• salt and pepper, to taste – for final seasoning adjustments.
• fresh lemon juice, optional – used for serving to brighten the overall taste.

step-by-step instructions

1. Sauté Aromatics: Heat 2 tbsp of broth or water in a large soup pot over medium heat. Add the diced onions and minced garlic, cooking for about 5 minutes until they soften and become fragrant.
2. Cook Root Vegetables: Stir in the chopped carrots, dried parsley, and ground thyme. Cook for a few more minutes, adding another splash of stock if the pan begins to dry out.
3. Simmer the Base: Pour in the vegetable broth and add the chopped cauliflower. Bring the mixture to a light simmer and cook uncovered for 10-15 minutes until the cauliflower is tender.
4. Create Creamy Texture: Turn off the heat and carefully scoop about 1/2 of the soup into a blender, making sure to leave some cauliflower and carrot pieces behind. Blend until smooth, allowing steam to escape, then pour the puree back into the pot and stir.
5. Wilt the Greens: Stir in the chopped kale and let the soup sit for 5 minutes. This allows the kale to soften without overcooking and losing its color.
6. Final Touch: Serve the soup immediately. Add a squeeze of fresh lemon juice and a sprinkle of chopped fresh parsley if desired.

Ways to Enhance the Soup

Integrating Plant-Based Proteins with Canned Legumes

For a more filling meal, stir in 1-2 cups of cooked chickpeas or white cannellini beans. Add these during the final step along with the kale to maintain their texture. Ensure canned beans are rinsed thoroughly to remove excess sodium.

Incorporating Plant-Based Sausage

You can add sliced vegan sausage to increase the protein content. Brown the sausage in the pot first, then remove it and proceed with the sautéed vegetables. Stir the browned sausage back into the soup at the same time as the kale.

Adding Grains for Heartiness

Stirring in 1-2 cups of cooked brown rice or quinoa transforms this light soup into a hearty stew. This is particularly useful for meal prepping as the grains provide longer-lasting satiety. Adjust the broth amount if the grains make the soup too thick.

Increasing Vegetable Variety with Celery

Adding one cup of diced celery provides a classic aromatic base. Sauté the celery along with the onions and garlic at the beginning of the process. This adds a subtle salty depth and improves the overall vegetable profile.

Enhancing Savory Notes with Nutritional Yeast

To achieve a cheesy flavor without using dairy, blend in 1/3 cup of nutritional yeast. Do this during the blending step when processing half of the soup. This adds a nutty, savory dimension and a boost of B-vitamins.

Alternative Ingredient Options

Substituting Kale with Baby Spinach

If kale is unavailable, baby spinach is an excellent substitute. Since spinach is more delicate, stir it in at the very end and serve immediately. It will wilt much faster than kale, so it does not need to sit for 5 minutes.

Using Swiss Chard as a Leafy Green

Chopped Swiss chard offers a similar texture and nutritional profile to kale. Remove the tough stems before chopping the leaves into bite-sized pieces. Add the chard in the final step to ensure it stays vibrant.

Choosing Between White and Yellow Onions

White onions provide a sharper, cleaner taste that works well in light soups. Yellow onions offer a deeper, sweeter flavor after being sautéed. Either variety works perfectly for this recipe depending on your taste preference.

Experimenting with Different Dried Herbs

While thyme and parsley are recommended, dried oregano or basil can be used for a Mediterranean twist. Use the same quantities as listed in the recipe. You can also add a pinch of red pepper flakes for a hint of heat.

Selecting the Right Vegetable Broth

Low-sodium vegetable stock is preferred to allow you to control the salt levels. If using bouillon cubes, ensure they are plant-based and dissolve them completely in boiling water first. This prevents salty clumps in the final soup.

Blending and Consistency Tips

Utilizing an Immersion Blender

For a faster workflow, use an immersion blender directly in the pot instead of a traditional blender. Pulse the blender in a few spots to create creaminess while leaving some vegetable chunks. This eliminates the need to transfer hot liquid between containers.

Managing Steam During Blending

When using a standard blender, never fill it to the top with hot liquid. Remove the center piece of the lid and cover it with a folded kitchen towel to allow steam to escape. This prevents pressure buildup that could cause the lid to pop off.

Achieving the Ideal Creaminess

The secret to the texture is partial blending. By blending only half of the cauliflower and carrots, you create a thick, creamy base that still has satisfying pieces to eat. Avoid blending the entire pot if you prefer a chunky vegetable soup.

Adjusting Thickness with Extra Liquid

If the soup becomes too thick after blending or reheating, stir in a small amount of additional vegetable broth. Add the liquid one quarter-cup at a time until the desired consistency is reached. This is especially common when adding grains or beans.

Serving and Garnish Suggestions

Brightening the Flavor with Citrus

Adding fresh lemon juice just before serving cuts through the earthiness of the cauliflower. The acidity acts as a flavor enhancer, making the herbs and vegetables taste more vivid. Squeeze the lemon directly into each individual bowl.

Using Fresh Herbs for Presentation

A sprinkle of freshly chopped parsley or cilantro adds a pop of color and a fresh aroma. This contrasts well with the cooked flavors of the soup. Stir some herbs into the pot and save some for the top of the bowl.

Pairing with Crusty Whole Grain Bread

Serve this soup with a slice of toasted sourdough or a whole grain baguette. The crunch of the bread complements the creamy texture of the blended cauliflower. Lightly brush the bread with olive oil and garlic for extra flavor.

Adding Toasted Seeds for Crunch

Toasted pumpkin seeds or sunflower seeds provide a necessary textural contrast. Sprinkle a tablespoon of seeds on top of each serving. This adds healthy fats and a nutty flavor to the meal.

Preservation and Reheating

Safe Refrigeration Practices

Allow the soup to cool slightly before transferring it to an airtight container. Store it in the refrigerator for up to 5 days. Keep the container sealed tightly to prevent the soup from absorbing other fridge odors.

Freezing for Long Term Storage

This soup freezes well for up to 3 months in freezer-safe containers or bags. Leave a small amount of space at the top of the container to allow for expansion during freezing. Thaw the soup in the refrigerator overnight before reheating.

Best Methods for Reheating

Reheat the soup on the stovetop over medium-low heat for the best results. If using a microwave, heat in short intervals and stir in between to ensure even warming. Add a splash of water or broth if the soup has thickened during storage.

Batch Cooking for Meal Prep

Double the recipe to create multiple servings for the work week. Portion the soup into individual glass jars for easy transport. This reduces cooking time and ensures you have healthy meals ready to go.

Common Cooking Questions

Why is my soup too thin?

If the soup lacks thickness, simmer it uncovered for an additional 5-10 minutes to reduce the liquid. You can also blend a larger portion of the cauliflower to increase the natural creaminess. Ensure you don’t over-boil, as this can break down the vegetables too much.

How do I keep the kale from turning brown?

Avoid boiling the kale for long periods of time. Add it at the very end and let the residual heat of the soup wilt the leaves. Overcooking the greens leads to a loss of color and a mushy texture.

Can I use frozen cauliflower?

Yes, frozen cauliflower can be used as a substitute for fresh. Add it directly to the broth, but be aware that it may release more water. You might need to simmer the soup longer to achieve the same consistency as fresh cauliflower.

What can I use if I don’t have a blender?

If a blender is unavailable, use a potato masher directly in the pot. Mash some of the cauliflower and carrots against the side of the pot to create a thicker texture. While not as smooth as blended, it still provides a rustic creaminess.

Creamy Cauliflower and Kale Soup

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• Author: alyssabennett
• Total Time: 30 minutes
• Yield: 4 servings 1x
• Diet: Vegan

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Description

A creamy and delicious kale and cauliflower soup that’s perfect on a cold day but makes a nice, light meal any time of year. Completely plant-based and made in under 30 minutes with just 8 simple ingredients, this soup is sure to become a new go-to!

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Ingredients

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• 1 large white or yellow onion, diced (390 g)
• 4 cloves garlic, minced
• 3 medium carrots, 175 g, approx. 1.5 cups chopped
• 1 tsp dried parsley
• 1 tsp ground thyme
• 1/2 tsp sea salt
• 6 cups vegetable stock
• 1 head of cauliflower, 775 g, approx. 7 cups chopped
• 4 cups lightly packed, chopped, de-stemmed kale (120 g)
• salt and pepper, to taste
• fresh lemon juice for serving, optional

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Instructions

1. Step 1: Saute the onions and garlic in 2 tbsp of broth or water in a large soup pot over medium heat until they start to soften and become fragrant, about 5 minutes.
2. Step 2: Stir in the chopped carrots, dried parsley and ground thyme. Cook for few more minutes, adding another splash of stock if needed if the pan starts to dry out.
3. Step 3: Stir in the vegetable broth and chopped cauliflower and bring to a light simmer. Simmer lightly, uncovered, until the cauliflower is tender, about 10-15 minutes.
4. Step 4: Turn the heat off then carefully scoop about 1/2 of the soup into a blender, leaving some pieces of carrot and cauliflower behind. Blend until smooth and creamy (make sure you allow steam to escape when blending) and then pour the blended soup back into the pot and mix with the remaining soup.
5. Step 5: Stir in the chopped kale. Let sit for 5 minutes before serving to allow kale to soften.
6. Step 6: Serve right away with a squeeze of fresh lemon juice and sprinkle of chopped fresh parsley, if desired.

Notes

For a heartier soup, stir in 1-2 cups cooked rice, white beans or chickpeas when adding the kale. For a ‘cheesy’ flavor, blend in up to 1/3 cup nutritional yeast during the blending step.

• Prep Time: 10 minutes
• Cook Time: 20 minutes
• Category: Soup
• Method: Stovetop
• Cuisine: American

Nutrition

• Serving Size: 1 serving (approx. 450 g)
• Calories: 102 kcal
• Sugar: 6 g
• Sodium: 850 mg
• Fat: 0 g
• Saturated Fat: 0 g
• Unsaturated Fat: 0 g
• Trans Fat: 0 g
• Carbohydrates: 21 g
• Fiber: 7 g
• Protein: 5 g
• Cholesterol: 0 mg