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    Home » Recipe Index » Easy Lunch Recipes

    Creamy Broccoli and Zucchini Soup

    Published: Jul 28, 2022 · Modified: Jul 19, 2024 by Katie · This post may contain affiliate links · Leave a comment.

    Jump to Recipe·Print Recipe·5 from 1 review

    With just 7 main ingredients and 5 simple recipe steps, this creamy broccoli and zucchini soup is not only easy to make, it's delicious, too! It's light yet comforting, cheesy, veggie-packed, and the perfect way to use up your late summer garden harvest!

    Broccoli and zucchini soup in a white dutch oven, sitting on a cutting board with a napkin, crackers, and fresh herbs in the background.

    Once August arrives in NNY, I'm adding zucchini and summer squash to every meal possible! I'm making everything from zucchini pumpkin muffins, zucchini mozzarella quiche, and zucchini scrambled eggs to sauteed zucchini and corn and air fryer zucchini.

    But, my all-time favorite way to use up this versatile and tender vegetable is to make it into a creamy, cheesy, and oh-so-delicious broccoli and zucchini soup.

    This broccoli zucchini soup recipe blends broccoli florets, chopped zucchini, onions, and vegetable broth until silky smooth. It is then thickened with heavy cream and shredded cheddar cheese, then seasoned with dried thyme and garlic powder. It's a restaurant-worthy soup recipe that your whole family will love!

    Jump to:
    • Why you'll love this recipe
    • Ingredients
    • Special equipment needed
    • How to make broccoli and zucchini soup
    • Variations and substitutions
    • How to store, freeze, and reheat
    • What to serve with broccoli zucchini soup
    • FAQs
    • Soup recipes you'll also like
    • Creamy Broccoli and Zucchini Soup
    • Hungry for more?
    • 💬 Comments

    Why you'll love this recipe

    • Flavor - It's rich and creamy yet light and delicate, thanks to the all-veggie base.
    • Minimal ingredients - You only need 7 main ingredients (not including seasonings), all of which are kitchen staples!
    • Low cost - This creamy zucchini soup is very budget-friendly, especially if you make it when zucchini and broccoli are in season.
    • Easy to double - It's easy to double the recipe to make enough leftovers for several lunches

    Ingredients

    Ingredients needed to make this recipe.
    • Zucchini: Choose small to medium-sized zucchini (also known as courgette). Giant zucchini can be tough and have really large seeds in the middle. In general, zucchini just becomes difficult to work with once it has exploded in size.
    • Broccoli: Fresh, medium-sized heads of broccoli are best. My instructions are for fresh, uncooked broccoli, not frozen broccoli or leftover steamed broccoli.
    • Cheddar cheese: Use high-quality, shredded, sharp cheddar cheese. The cheddar cheese will give this soup a creamy texture and rich taste.
    • Heavy cream: The heavy cream will enhance the soup's rich and creamy flavor and give it a silky mouthfeel.
    • Aromatics and seasonings: Aromatics and seasonings add savory flavor and depth to the zucchini broccoli soup. This recipe includes onion, garlic powder, dried thyme, salt, and pepper.

    Special equipment needed

    • You'll need an immersion blender or a handheld stick blender because they're long and narrow and perfect for reaching deep into a large stock pot.
    • Unfortunately, a regular blender isn't an option here. In most cases, soup needs to cool down before it's mixed in a blender. But for this recipe, we need the soup to stay hot so the cheese melts after it's mixed in.

    How to make broccoli and zucchini soup

    Step 1: Add the chopped onion and the butter to your soup pot. Sauté the onion and butter over low heat until the onion is soft and translucent, about 5 minutes. Add the vegetable broth and bring to a boil over medium heat.

    Diced onions and vegetable broth in a blue Dutch oven.

    Step 2: Once boiling, add the chopped zucchini and the chopped broccoli florets. Cover and cook over medium-low heat until the zucchini and broccoli are soft, about 10 minutes.

    Chopped zucchini and broccoli florets added to the Dutch oven.

    Step 3: Remove the soup from the heat and blend it until smooth using an immersion blender.

    Tip! Be very careful when using an immersion blender! It's easy to splatter hot soup onto your skin. To prevent splatter, keep the blender fully submerged in the hot liquid, blend on low speed, and turn it off before pulling it out of the soup.

    Pureed Broccoli Zucchini Soup in a blue Dutch oven.

    Step 4: Add the shredded cheddar cheese, garlic powder, dried thyme, salt, and pepper to the puréed broccoli and zucchini soup. Mix until the cheese has melted.

    Shredded cheddar cheese added to the pureed, creamy soup.

    Step 5: Stir the heavy cream into the broccoli and zucchini mixture and add extra salt and black pepper to taste, if desired. Since the amount of sodium in vegetable broth can vary from brand to brand, it's best to add just enough salt to your liking.

    Heavy cream added to the zucchini and broccoli soup.

    Step 6: Serve while warm and enjoy! Zucchini broccoli soup is a tasty light lunch, an easy dinner starter, or a vegetable side dish. It's a great recipe to make ahead of time and keep in the fridge to eat during the week!

    Variations and substitutions

    • Vegetable broth: You can substitute vegetable broth for chicken broth, stock, or water. However, if you use plain water, you'll most likely need to adjust the seasonings, as water is obviously lacking in flavor.
    • Heavy cream: Heavy cream can be substituted for whole milk or half and half. The texture and creaminess will change, but they both work in a pinch!
    • Toppings: To add variety to your broccoli and zucchini soup, top it with extra crispy bacon pieces, freshly grated parmesan cheese, fresh parsley, a dollop of sour cream, or some crunchy homemade croutons. A pinch of red pepper flakes would add some spicy heat!

    How to store, freeze, and reheat

    • How to store: Store leftover soup in an airtight container in the refrigerator for 3-4 days.
    • How to freeze: Soups with cream, milk, half-and-half, or any cheeses usually do not freeze and reheat well. During the thawing process, the cream will separate and turn grainy, resulting in a pretty gross taste and texture! The best way to freeze this creamy broccoli zucchini soup is to freeze the soup before adding any dairy products. Then, add your heavy cream and shredded cheddar cheese during reheating.
    • How to reheat: Reheat on the stovetop over low heat or in the microwave for 1 minute at a time, stirring between each 1-minute increment.

    What to serve with broccoli zucchini soup

    To make for a more substantial meal, consider serving zucchini broccoli soup with a crusty piece of bread, rolls, a leafy green salad, protein-rich meats, or even a slice of this broccoli and bacon quiche. Here are some of my favorite easy side dish recipes for soup:

    • Dutch Oven Bread
    • 3-Ingredient Drop Biscuits
    • Marinated Vegetable Salad
    • Chimichurri Chicken Thighs
    • Grilled Shrimp and Chicken Kabobs

    FAQs

    Do you have to peel zucchini for soup?

    No, zucchini has thin, delicate, mild-tasting skin that doesn't affect the taste or texture of soup. Peeling the zucchini would add an unnecessary step that wastes time.

    Do broccoli and zucchini go together?

    Yes, with quick cooking times, a tender texture, mild flavor, and similar color, broccoli and zucchini are the perfect pairing for soups, sauces, and sheet-pan vegetable roasts.

    Can I add more vegetables to broccoli zucchini soup?

    While I haven't tested broccoli-zucchini soup with extra vegetables, you could try adding summer squash and cauliflower to the puree or mixing in shredded carrots.

    How can I make this broccoli and zucchini soup dairy-free?

    This broccoli and zucchini soup recipe cannot be modified to fit into a dairy-free diet. It's best to find a recipe that has been tested using dairy-free ingredients, such as non-dairy milk, cashew cream, coconut milk, or nutritional yeast.

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    If you tried this Broccoli Zucchini Soup Recipe or any other recipe on my blog, please leave a 🌟 star rating and tell me how it went in the 📝 comments below. Thanks for visiting!

    Print

    Creamy Broccoli and Zucchini Soup

    Broccoli and zucchini soup in a white dutch oven, sitting on a cutting board with a napkin, crackers, and fresh herbs in the background.
    Print Recipe
    Pin Recipe

    5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    5 from 1 review

    With just 7 main ingredients and 5 simple recipe steps, this creamy broccoli and zucchini soup is not only easy to make, it's delicious, too! It's light yet comforting, cheesy, veggie-packed, and the perfect way to use up your late summer garden harvest!

    • Author: Katie
    • Prep Time: 10 minutes
    • Cook Time: 30 minutes
    • Total Time: 40 minutes
    • Yield: 8 servings (1 cup per serving) 1x
    • Category: lunch, dinner, side dish
    • Method: stove top cooking
    • Cuisine: American
    • Diet: Vegetarian

    Ingredients

    Scale
    • 1 tablespoon salted butter
    • ½ cup diced yellow onion
    • 4 cups vegetable broth (low sodium)
    • 4 cups chopped zucchini
    • 2 cups chopped broccoli florets
    • 2 cups shredded cheddar cheese
    • 1 teaspoon garlic powder
    • 1 teaspoon dried thyme
    • ½ teaspoon kosher salt (plus more to taste)
    • ¼ teaspoon ground black pepper (plus more to taste)
    • 1 cup heavy cream

    Instructions

    1. Add the butter and diced onion to a large soup pot.  Sauté the onion for about 5 minutes on low heat, until the onion is soft and translucent.
    2. Add the vegetable broth.  Increase the heat to medium and bring the broth to a boil.  Once boiling, add the chopped zucchini and broccoli.  Cover and cook the zucchini and broccoli until fork tender, about 10 minutes. 
    3. After the vegetables have cooked, remove the soup pot from the heat.  Using an immersion blender, carefully puree the soup until all of the vegetables are blended together.  
    4. Add the garlic powder, thyme, salt, pepper, and shredded cheddar cheese to the pureed soup.  Stir until the cheese has melted and is fully incorporated into the soup.
    5. Stir in the heavy cream.  Add extra salt and pepper to taste if desired.  Serve and enjoy!   

    Notes

    • The amount of salt added depends on the sodium content of your vegetable broth. Add salt as needed, or season throughout the cooking process.  
    • Be very careful when using an immersion blender!  Start on the lowest setting and keep the blender fully submerged when operating.  I like to blend in short bursts and move the blender around as needed.  Turn the blender off before you pull it out of the liquid. 
    • To add variety to your broccoli and zucchini soup, top it with extra crispy bacon pieces, freshly grated parmesan cheese, fresh parsley, a dollop of sour cream, or some crunchy homemade croutons.
    • The nutrition information shown below is an estimate provided by an online nutrition calculator.  It should not be considered a substitute for professional medical advice.

    Nutrition

    • Serving Size: 1 cup
    • Calories: 218
    • Sugar: 2.4 g
    • Sodium: 514.3 mg
    • Fat: 18 g
    • Carbohydrates: 5.9 g
    • Fiber: 0.9 g
    • Protein: 9 g
    • Cholesterol: 53.4 mg

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    I'm Katie, the food blogger, recipe developer, and photographer behind Sugar & Snap Peas. I mostly share high-protein dinner recipes for busy families. These easy dinner ideas take the guesswork out of mealtime so that you can get back to family time, knowing dinner is taken care of!

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