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Creamy Keto Broccoli Spinach Soup for Cozy Nights

Published: Feb 16, 2026 by Sierra Lane · This post may contain affiliate links · Leave a Comment

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The comforting aroma of sautéing shallots and garlic fills my kitchen, an immediate invitation to gather around the table. When the chilly weather sets in, nothing warms the soul quite like a big bowl of Keto Broccoli Spinach Soup. With this recipe, I’ve crafted a delightful combination of tender broccoli and vibrant spinach, seamlessly blended to perfection. Quick to prepare and rich in nutrients, this scrumptious soup is a guilt-free pleasure that will impress your family or guests without sacrificing time or flavor. Plus, it's a fantastic way to sneak in those greens! Have you ever searched for a cozy, satisfying meal that doesn’t derail your healthy eating goals? Let’s dive into this vibrant, creamy creation that promises to be a new favorite!

Keto Broccoli Spinach Soup

Why is this Keto Broccoli Spinach Soup a must-try?

Overflowing with nutrients: Packed with broccoli and spinach, this soup is a powerhouse of vitamins and minerals.
Simplicity reigns: In just 30 minutes, you can whip up a dish that feels like an indulgent treat!
Creamy goodness: Rich heavy cream and Parmesan deliver a velvety texture that will have you craving more.
Versatile delight: Enjoy this soup as a light meal or a hearty starter, perfect for any occasion. For a complete meal, pair it with a side of our delicious Chicken Broccoli Pasta.
Crowd-pleaser: Even your pickiest eaters will love this flavorful soup!

Keto Broccoli Spinach Soup Ingredients

For the Soup Base
• 2 cups broccoli florets – full of vitamins, broccoli adds a crisp texture and earthy flavor.
• 2 cups fresh spinach leaves – vibrant and nutritious, spinach boosts the soup's vibrant green color.
• 1 medium shallot – adds a subtle sweetness and depth to your soup.
• 2 cloves garlic – enhances flavor with its aromatic punch.

For Cooking
• 2 tablespoons butter – provides richness and a smooth mouthfeel to the soup.
• 2 cups chicken broth – use low-sodium broth for better control over salt levels.

For Creaminess
• ½ cup heavy cream – creates that creamy texture that balances the greens perfectly.
• ¼ cup grated Parmesan cheese – adds a salty, nutty flavor to elevate the taste.

For Seasoning
• ½ teaspoon salt – adjust to taste; this brings out all the wonderful flavors.
• ¼ teaspoon black pepper – just a dash adds warmth and subtle heat.

Step‑by‑Step Instructions for Keto Broccoli Spinach Soup

Step 1: Prepare the Vegetables
Start by washing the broccoli florets and fresh spinach leaves thoroughly under cold water. Chop the broccoli into smaller, bite-sized florets, ensuring they will cook evenly. Set aside your chopped broccoli and spinach to have them ready for the cooking process of your Keto Broccoli Spinach Soup.

Step 2: Dice Aromatics
Next, take a medium shallot and finely dice it, along with two cloves of garlic that you will mince. These aromatics are essential for building flavor in your soup. The fragrance will invite everyone to the kitchen as you get ready to sauté them.

Step 3: Sauté Shallots
In a large pot, melt two tablespoons of butter over medium heat. Once the butter is bubbling and fragrant, add the diced shallots. Sauté them for about 3 minutes, stirring occasionally until they become translucent. This step lays the flavorful foundation for your Keto Broccoli Spinach Soup.

Step 4: Add Garlic
After the shallots are ready, add the minced garlic to the pot. Cook for an additional minute until the garlic becomes fragrant, stirring frequently to prevent burning. The aromatic blend of shallots and garlic will enhance the overall flavor profile of your soup.

Step 5: Incorporate Broth and Broccoli
Pour in 2 cups of chicken broth and add the chopped broccoli florets to the pot. Bring this mixture to a lively boil over medium-high heat. The broth will begin to bubble, creating a delicious base for your Keto Broccoli Spinach Soup.

Step 6: Simmer the Soup
Once boiling, reduce the heat to low and allow the soup to simmer gently. Let it cook for about 10 minutes, or until the broccoli florets turn tender but still vibrant green. This step ensures the broccoli retains its nutrients while softening for blending.

Step 7: Add Spinach
Stir in the fresh spinach leaves and cook for an additional 2 minutes until they wilt down. Their vibrant color will deepen, adding to the lovely green hue of your Keto Broccoli Spinach Soup. This is where you can see the magic happen!

Step 8: Blend the Soup
Remove the pot from heat and take an immersion blender to puree the soup until it’s smooth and creamy. If you don’t have an immersion blender, carefully transfer the mixture to a countertop blender in batches. This blending process will give your soup that luxurious, creamy texture.

Step 9: Mix in Cream and Cheese
Return your pot to low heat and stir in ½ cup of heavy cream along with ¼ cup of grated Parmesan cheese. Mix until fully combined and creamy. The soup will gain an inviting richness that complements the greens beautifully, making it a true Keto Broccoli Spinach Soup.

Step 10: Season and Serve
Finally, season your soup with ½ teaspoon salt and ¼ teaspoon black pepper, adjusting to taste. Heat through gently without boiling. Ladle the warm Keto Broccoli Spinach Soup into bowls and savor the warm, comforting flavors you’ve created!

Keto Broccoli Spinach Soup

Make Ahead Options

These Keto Broccoli Spinach Soup preparations are perfect for busy home cooks looking to save time! You can chop the broccoli and spinach, and dice the shallots and garlic up to 24 hours in advance. Store these prepped vegetables in airtight containers in the refrigerator to maintain their freshness. For an even quicker meal, consider cooking the soup base (steps 3-8) a few days in advance, then refrigerate it. When you're ready to enjoy the soup, simply reheat the base, stir in the heavy cream and Parmesan cheese, and season before serving. This lovely soup will be just as delicious and comforting, saving you precious time during your hectic week!

How to Store and Freeze Keto Broccoli Spinach Soup

Fridge: Store leftover Keto Broccoli Spinach Soup in an airtight container for up to 3 days. Make sure it’s completely cooled before sealing to maintain freshness.

Freezer: For longer storage, freeze the soup in individual portions using freezer-safe containers or bags for up to 3 months. This makes for a quick, nutritious meal when you're short on time.

Thawing: When ready to enjoy, thaw the soup overnight in the fridge or use the microwave's defrost setting. Once thawed, reheat gently over low heat on the stove, stirring occasionally.

Reheating: To maintain the creamy texture, heat the soup slowly and avoid boiling. If the soup appears too thick, you can add a splash of chicken broth or water to achieve your desired consistency.

Keto Broccoli Spinach Soup Variations

Feel free to blend and twist this Keto Broccoli Spinach Soup into your very own masterpiece!

  • Dairy-Free: Swap heavy cream for coconut milk and eliminate Parmesan for a rich, lactose-free option.

  • Flavor Boost: Toss in fresh herbs like thyme or rosemary during cooking for an aromatic twist. They’ll elevate the taste, adding layers to the flavor profile.

  • Spicy Kick: Add a pinch of red pepper flakes or a dash of hot sauce for a fiery touch. This heat elevates the soup's excitement, making each spoonful a little adventure!

  • Protein-Packed: Stir in cooked shredded chicken or white beans towards the end for extra protein. It transforms your soup into a heartier meal, ideal for a satisfying lunch.

  • Nutrient Boost: Blend in avocado for added creaminess and healthy fats. This not only enhances the texture but also makes the soup incredibly satisfying.

  • Texture Twist: Top your soup with crunchy toasted nuts or seeds for added texture. The contrast between creamy and crunchy will delight your taste buds!

  • Savitized Version: Swap chicken broth for vegetable broth for a completely vegetarian-friendly soup. It maintains all the deliciousness while accommodating dietary preferences.

  • Savory Add-in: Mix in some sautéed mushrooms before blending for an earthy depth. This addition brings a lovely umami flavor that complements the greens beautifully.

If you have a craving for delightful sides, consider enjoying your soup with a comforting bowl of Garlic Tomato Soup or some warm, crusty bread to soak up all that scrumptious goodness!

Expert Tips for Keto Broccoli Spinach Soup

• Fresh Ingredients: Use fresh broccoli and spinach for the best flavor and nutrient density. Frozen options can result in a watery soup.

• Perfect Blending: Ensure the soup is cooled slightly before blending to avoid splattering. An immersion blender makes this easy but do it in batches if using a standard blender.

• Cream Substitute: For a lighter version, consider substituting heavy cream with coconut cream or unsweetened almond milk while still maintaining a creamy texture in your Keto Broccoli Spinach Soup.

• Seasoning Balance: Taste and adjust the seasoning at the end, as cheese can add saltiness. Start with less salt to avoid over-seasoning.

• Storage Tips: Refrigerate leftovers in an airtight container for up to three days, or freeze portions for a quick meal later. Reheat gently on the stove.

What to Serve with Keto Broccoli Spinach Soup

Cozy up your dinner table with these delightful pairings that will enhance your soup experience.

  • Garlic Bread: The crunchy, buttery crust and soft interior make for a perfect contrast against the smooth soup, inviting you for another dip.
  • Simple Caesar Salad: Crisp romaine and tangy dressing provide a refreshing contrast to the creamy texture of the soup, balancing flavors beautifully.
  • Roasted Chicken: Juicy, herb-seasoned chicken adds a satisfying protein boost to your meal, harmonizing perfectly with the comforting soup.
  • Steamed Asparagus: Lightly steamed with a drizzle of lemon, this veggie offers a bright flavor that complements the creamy soup wonderfully.
  • Quinoa Pilaf: Fluffy quinoa with herbs and nuts offers a hearty, nutritious side that plays well with the velvety soup, creating a wholesome meal.
  • Homemade Biscuits: Fluffy, buttery biscuits are perfect for dipping into the soup, adding a delightful indulgence to your dining experience.
  • Sparkling Water with Lemon: This refreshing drink cleanses the palate and enhances the vibrant flavors of your Keto Broccoli Spinach Soup, making each spoonful enjoyable.

Keto Broccoli Spinach Soup

Keto Broccoli Spinach Soup Recipe FAQs

How do I choose the best broccoli for my soup?
Absolutely! Look for broccoli florets that are vibrant green and firm to the touch. Avoid any heads that have yellowing or dark spots all over, as these indicate that the broccoli may be past its prime. Fresh broccoli should smell earthy but not overly pungent.

How should I store leftovers of Keto Broccoli Spinach Soup?
I recommend transferring any leftover soup into an airtight container once it has cooled. It can be stored in the refrigerator for up to 3 days. For best results, let the soup cool down first before sealing to maintain its freshness and avoid condensation buildup.

Can I freeze Keto Broccoli Spinach Soup?
Yes, you can! To freeze, simply pour individual portions of the soup into freezer-safe containers or resealable bags. Be sure to leave some space for expansion as the soup freezes. It can be stored for up to 3 months. When you're ready to enjoy it, thaw it overnight in the refrigerator or use the microwave's defrost setting.

What if my soup is too thick after reheating?
Very! If you find that your Keto Broccoli Spinach Soup has thickened during storage, don't worry! You can stir in a splash of chicken broth or water while gently heating it on the stove. This will help restore a nice, creamy consistency without losing any of that lovely flavor.

Are there any dietary considerations I should keep in mind?
Certainly! This soup is naturally low in carbs, making it suitable for those following a keto diet. However, if you have dairy allergies, feel free to substitute heavy cream with coconut cream or unsweetened almond milk for a similar creamy texture. Always check ingredient labels for any potential allergens specific to your diet or your family’s needs.

How long can I keep frozen soup after thawing?
Once thawed, enjoy your Keto Broccoli Spinach Soup within 3 days for the best quality and taste. Be sure to reheat it gently on the stove, and remember that it should not be refrozen after being thawed for optimal flavor and safety!

Keto Broccoli Spinach Soup

Creamy Keto Broccoli Spinach Soup for Cozy Nights

Delight in this comforting Keto Broccoli Spinach Soup, a nutrient-rich meal perfect for chilly nights.
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 20 minutes mins
Total Time 30 minutes mins
Course Soup
Cuisine Keto
Servings 4 cups
Calories 300 kcal

Equipment

  • large pot
  • Immersion blender

Ingredients
  

For the Soup Base

  • 2 cups broccoli florets full of vitamins
  • 2 cups fresh spinach leaves vibrant and nutritious
  • 1 medium shallot adds subtle sweetness
  • 2 cloves garlic enhances flavor

For Cooking

  • 2 tablespoons butter provides richness
  • 2 cups chicken broth use low-sodium

For Creaminess

  • ½ cup heavy cream creates creamy texture
  • ¼ cup grated Parmesan cheese adds salty flavor

For Seasoning

  • ½ teaspoon salt adjust to taste
  • ¼ teaspoon black pepper adds warmth

Instructions
 

Step-by-Step Instructions

  • Wash the broccoli florets and spinach leaves thoroughly under cold water. Chop the broccoli into smaller florets.
  • Finely dice the shallot and mince the garlic.
  • Melt butter in a large pot over medium heat. Add the diced shallots and sauté for about 3 minutes.
  • Add minced garlic to the pot and cook for an additional minute.
  • Pour in chicken broth and add chopped broccoli florets. Bring to a boil.
  • Reduce heat and simmer for about 10 minutes until broccoli is tender.
  • Stir in fresh spinach leaves and cook for an additional 2 minutes until wilted.
  • Blend the soup until smooth and creamy using an immersion blender.
  • Stir in heavy cream and grated Parmesan cheese until fully combined.
  • Season with salt and black pepper, adjusting to taste. Serve warm.

Notes

Use fresh ingredients for the best flavor. Store leftovers in an airtight container for up to 3 days.

Nutrition

Serving: 1cupCalories: 300kcalCarbohydrates: 10gProtein: 7gFat: 27gSaturated Fat: 15gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gCholesterol: 80mgSodium: 500mgPotassium: 600mgFiber: 4gSugar: 2gVitamin A: 5000IUVitamin C: 70mgCalcium: 200mgIron: 2mg
Keyword comfort food, Creamy Soup, Healthy Meal, Keto Broccoli Spinach Soup, nutrient-rich
Tried this recipe?Let us know how it was!

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About Sierra Lane

Season-obsessed cook sharing quick, produce-packed recipes for everyday meals—straight from my farmers’ market basket to your table.

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