5 from 2 votes

Zucchini Soup

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I’d like to think of this zucchini soup as a way to celebrate the changing of the seasons! I love to bid a fond farewell to the summer zucchini season by using up what’s left of my fresh zucchini and a warm hello to Fall with a cozy bowl of homemade soup!

Don’t get me wrong, zucchini soup can absolutely be part of your summer meal rotation, but personally, I’m more of a grilled zucchini with lime or zucchini fritters kind of gal when it’s hot outside.

Serve with a loaf of crusty bread for a family-favorite meal idea any day of the week!

Got a lot of zukes? For a decadent side, try Parmesan Roasted Zucchini as well!

Step-by-step photos and instructions are below. Jump to the recipe card if you wish!

Zucchini soup with croutons.

Why you’ll love this

  • Quick and easy. With less than 10 simple ingredients, one pot for easy cleanup, and ready in 20 minutes, this soup is a quick and easy one to prepare even on the busiest weeknights.
  • Always better from scratch. So much better and fresher-tasting than anything store-bought. Who says homemade soups have to be fussy?!
  • Adaptable. This one is a great recipe to make your own, like adding cayenne pepper for heat, or a dollop of sour cream, . Keep reading for inspiration on ways to tweak the ingredients to suit your tastes.

What to serve with Zucchini Soup

Homemade or store-bought croutons are always a nice way to garnish a creamy soup. A crispy crunchy element is great as is a topping of Parmesan cheese!

Serve it with a basket of crusty bread – like 30-minute dinner rolls, whole wheat dinner rolls or everyone’s favorite buttery Cheddar Bay biscuits.

Step-by-step photos and tips and tricks are below. Jump to the full recipe card instead

Bowls of Zucchini Soup with zucchini and salt and pepper shakers.

Key Recipe Ingredients

Note: This highlights some ingredients. Full list is in the recipe card

  • Medium-sized zucchini. You’ll need about 4, unpeeled. Backyard-grown zucchini tends to be larger with thicker skin and larger seeds. Use your discretion as to which you are using and whether or not you want to peel them.
  • Onion & garlic. The aromatics start layering flavor in the soup.
  • Potato. Use any kind of potato you have on hand. Russet potatoes tend to be starchier and red potatoes, yellow potatoes or Yukon Gold potatoes are waxier so they’ll deliver a creamier finish. If you prefer, use a can of cannellini beans instead.
  • Butter. Used to cook down the veggies giving them a delicious buttery flavor. Use salted or unsalted.
  • Chicken stock. Use homemade chicken stock or store-bought chicken broth, it’s up to you.
  • Sour cream. Gives the zucchini soup a rich and creamy consistency.
  • Parmesan cheese. Freshly grated from a block is always recommended whenever possible. It not only tastes better and fresher but it doesn’t come with the anti-clump coating on it.
  • Salt & pepper. To taste!
ingredients to make zucchini soup laid out and labeled.

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How to make this recipe

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Get prepped. Wash the zucchini and cut it into chunks. Peel the onion and potato. Dice the potato (smaller than zucchini chunks) and onion. Mince the garlic.

Process for making zucchini soup with instructions overlaid in text. Wash the zucchini, peel onion and potato, dice and mince garlic.

Make the soup. In a large pot or Dutch oven sauté the onion in heated oil over medium heat until soft and translucent. Add the garlic and cook for another minute.

Process for making zucchini soup with instructions overlaid in text. Cooking onion until translucent, and adding garlic.

Add the zucchini, diced potato, and chicken stock. Turn up the heat to bring the soup to a boil. Once boiling, reduce it to low and allow it to simmer uncovered until potatoes and zucchini are tender.

Process for making zucchini soup with instructions overlaid in text. Adding zucchini, potato and stock to the soup, and simmering for 20 minutes.

Blend the soup. Use an immersion blender to purée until smooth. You can also do this in batches using a traditional blender.

Serve. Stir in the sour cream and Parmesan cheese. Season to taste with salt and pepper. Ladle the soup into serving bowls. Enjoy!

Process for making zucchini soup with instructions overlaid in text. Blending before and after using an immersion blender.

Kylee’s Notes

What to do with leftovers

This soup contains dairy so you’ll want to refrigerate leftover soup within a couple of hours of serving it. Once it has completely cooled, cover it airtight and store it in the fridge for a few days.

Reheat smaller portions in the microwave, or for larger portions, in a pot on the stovetop over medium-low heat.

Substitutions/Additions

To keep it vegetarian, use vegetable broth instead. I have a great homemade roasted vegetable stock that would be great.

For a dairy-free or vegan zucchini soup, use avocado oil or olive oil instead of butter and swap the sour cream with coconut cream or full-fat coconut milk.

If you don’t want any cream at all, you don’t need it. The starch from the potatoes will thicken up the soup all on its own.

I do love the creamy richness the cream adds, but if sour cream isn’t your thing, you can substitute it with heavy cream or even plain Greek yogurt.

To bulk it up with some protein, toss in some white beans, or your favorite legume.

For more texture in your soup, you don’t need to use the immersion blender. A potato masher works well to leave some lumps behind.

Brighten it up with a squeeze of lemon juice if you think it needs it!

Freezing instructions

Transfer the soup to a freezer-safe container or freezer bag to keep frozen for up to 3 months. Keep in mind that sometimes when potatoes are thawed from frozen, they can have a funny texture.

It’s also best to freeze it before adding the sour cream if you can. That way, when you reheat it, you can blend in the sour cream to adjust the consistency.

FAQs

Do you have to peel the zucchini for zucchini soup?

You don’t! In fact, I highly recommend you leave the skin on. It’s got plenty of nutrients in it, but it’s also delicate and thin enough that it’s untraceable on the tongue once it’s cooked.

What is zucchini soup made of?

It’s a simple combination of zucchini, potatoes, sautéed garlic, onions, and chicken broth. You can decide whether you want to add the sour cream (so good!) or leave it out.

How long does zucchini soup last in the fridge?

Keep any leftovers in an airtight container in the fridge for up to 3 days.

Can I substitute yellow summer squash for zucchini?

In many instances, they can be used interchangeably. This is one of those times, so if yellow squash is what you have, go nuts!

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A bowl of creamy green soup topped with croutons and black pepper, with a gold spoon resting inside; a salt shaker and another bowl are in the background.
5 from 2 votes

Zucchini Soup

Servings 4
Prep Time: 10 minutes
Cook Time: 10 minutes
Made with fresh zucchini, starchy potatoes, and aromatics in a seasoned chicken broth, this one-pot zucchini soup is enriched with sour cream and sprinkled with Parmesan cheese for extra flavor!

Ingredients
 

  • 1 onion
  • 2 cloves garlic
  • 4 medium zucchini
  • 1 medium potato
  • 1 tablespoon butter
  • 4 cups chicken stock
  • 2 tablespoons sour cream
  • ¼ cup freshly grated parmesan
  • salt and pepper

Instructions

Get prepped

  • Wash the 4 medium zucchini, cut into chunks.
  • Peel and slice 1 onion, mince the 2 cloves garlic.
  • Peel 1 medium potato, dice in to small chunks

Make the soup

  • Heat the olive oil or 1 tablespoon butter in a large pot or Dutch oven over medium heat. Add the chopped onion and sauté until it becomes translucent.
  • Add the garlic and cook another minute.
  • Add the zucchini, potato and 4 cups chicken stock, increase the heat to medium-high and bring the mixture to a boil, then reduce the heat to a simmer.
  • Simmer 20 minutes, uncovered until zucchini and potato are tender

Blend

  • Use an immersion blender to puree until smooth.

Serve

  • Return the pureed soup to the pot, and stir through the 2 tablespoons sour cream and ¼ cup freshly grated parmesan.
  • Taste, and season with salt and pepper.

Devour.

    Notes

    Serving suggestion: croutons and a sprinkle of parmesan

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    Nutrition

    Calories: 160kcal | Carbohydrates: 20g | Protein: 7g | Fat: 7g | Saturated Fat: 4g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 1g | Trans Fat: 0.1g | Cholesterol: 17mg | Sodium: 1082mg | Potassium: 870mg | Fiber: 4g | Sugar: 7g | Vitamin A: 573IU | Vitamin C: 48mg | Calcium: 118mg | Iron: 2mg

    Nutritional information is an estimate and provided to you as a courtesy. You should calculate the nutritional information with the actual ingredients used in your recipe using your preferred nutrition calculator.

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    Kylee Cooks in the kitchen

    About Kylee Ayotte

    I am a born and raised New Zealander (a Kiwi), now living in Phoenix, Arizona. I’m happily married to the love of my life – a hot American boy I met while traveling the world. I’m a mama to 2 awesome little boys and love red things, rugby, cheesecake, and bacon. Mmmmm. Bacon. Meet Kylee

    5 from 2 votes (2 ratings without comment)

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