Hearty Italian Sausage Butternut Squash Soup: Your Ultimate Comfort Bowl

As the days grow shorter and the crisp autumn air signals a shift in seasons, there’s nothing quite like a warm, comforting bowl of soup to welcome you home. This butternut squash soup with Italian sausage is a true culinary masterpiece, blending the natural sweetness of butternut squash with the robust, savory kick of spicy Italian sausage. It’s a full-flavored, richly textured soup that also features tender white beans and tangy diced tomatoes, all simmered together in a creamy, velvety base.

This isn’t just a meal; it’s an experience. Each spoonful offers a delightful balance of sweet and savory notes, with the fennel-spiced sausage adding a depth of warmth that is utterly irresistible. Whether you’re snuggling up by the fireplace or gathering with loved ones, this soup promises a hearty, satisfying embrace that will quickly become a cherished favorite in your recipe repertoire.

Butternut squash soup with Italian sausage soup in a Dutch oven with a ladle inside the soup.

Why This Butternut Squash Soup Recipe Will Be Your New Favorite

If you’re searching for an easy weeknight meal that tastes like it simmered all day, look no further. This Italian sausage butternut squash soup is incredibly simple to prepare, coming together in approximately 50 minutes from start to finish. It’s perfect for busy evenings when you crave something truly satisfying without spending hours in the kitchen. The combination of sweet squash and spicy sausage creates an amazing flavor profile that appeals to a wide range of palates, making it an ideal family dinner.

Beyond its quick preparation, this soup is a powerhouse of flavor and texture. The pureed butternut squash provides a naturally creamy and subtly sweet base, while the robust Italian sausage adds a wonderful savory depth and a pleasant chewiness. The addition of tender white beans boosts the heartiness, and fire-roasted diced tomatoes introduce a touch of tang and smoky complexity. It’s a beautifully balanced dish that offers both comfort and a burst of vibrant taste.

Moreover, this recipe is highly versatile. You can easily adjust the spice level by choosing mild or hot Italian sausage, or even substitute with ground turkey or beef for a different twist. It’s a forgiving recipe that encourages customization, allowing you to tailor it to your family’s preferences. Get ready to add this deliciously comforting and fuss-free Italian sausage butternut squash soup to your regular meal rotation!

Overhead shot of butternut squash and sausage soup served in a white bowl.

Essential Ingredients for a Perfectly Balanced Butternut Squash Soup

Crafting this flavorful butternut squash soup is a breeze, especially with a selection of fresh, high-quality ingredients. Each component plays a crucial role in building the soup’s incredible depth and texture, enhancing the natural sweetness of the squash with savory, spicy, and tangy notes. Here’s what you’ll need to create this comforting masterpiece:

Butter: We start with a tablespoon of unsalted butter for sautéing. This helps to create a rich base for our aromatics. If you prefer, or need a dairy-free option, olive oil or your favorite cooking oil can be used instead.
Onion: One small yellow onion, finely chopped, provides a foundational sweetness and aromatic depth to the soup. White or red onions can also be substituted if that’s what you have on hand, though yellow offers a classic, mellow flavor.
Red Bell Pepper: A small red bell pepper, diced, adds a vibrant color, a subtle sweetness, and a fresh, pungent flavor that complements the other ingredients beautifully. Green or orange bell peppers would also work, but red typically offers the most sweetness.
Italian Sausage: Approximately 1 pound of ground Italian sausage is the star of this soup. Whether you choose mild, sweet, or hot Italian sausage will determine the final spice level of your dish. If using links, simply remove the casings before cooking. Ground beef, turkey, or even a plant-based sausage alternative can be used for variations.
Fresh Garlic: Four cloves of minced fresh garlic infuse the soup with its characteristic pungent and aromatic flavor. Fresh is always best, but in a pinch, about a teaspoon of garlic powder can be used as a substitute.
Butternut Squash: You’ll need about 2.5 pounds of butternut squash, which is typically one medium-sized squash. It should be peeled, seeded, and chopped into 1-inch cubes. The squash is the heart of this soup, providing its signature creamy texture and sweet, earthy flavor.
Chicken Broth: Six cups of low-sodium chicken broth form the liquid base of the soup. Using low-sodium allows you to control the seasoning precisely. Feel free to use homemade chicken broth, vegetable broth for a vegetarian option, or bone broth for added richness and nutritional benefits. Each will subtly alter the flavor profile.
Bay Leaf: A single bay leaf is added during simmering to impart a subtle, earthy, and slightly floral aroma, enhancing the overall depth of flavor without being overpowering. Remember to remove it before blending.
Great Northern Beans: One can (15.5 ounces) of great northern beans, well rinsed and drained, contributes to the soup’s heartiness and texture. They add a creamy element and make the soup more filling. Cannellini beans are an excellent substitute.
Fire Roasted Diced Tomatoes: One can (14.5 ounces) of fire-roasted diced tomatoes, undrained, adds a tangy, slightly smoky flavor and a beautiful color to the soup. The fire-roasting process deepens their natural sweetness and gives them a unique character.
Salt and Black Pepper: Essential for seasoning to taste and enhancing all the wonderful flavors of the butternut squash and Italian sausage.
Heavy Cream and Chopped Fresh Parsley: These are optional garnishes but highly recommended. A drizzle of heavy cream adds an extra layer of richness and a beautiful swirl, while fresh parsley provides a touch of vibrant color and herbaceous freshness.

Diced Butternut squash simmering in broth, with a bay leaf set on top of the liquid.

Step-by-Step Guide: How to Make Italian Sausage Butternut Squash Soup

Creating this cozy and satisfying soup on your stovetop is a straightforward process that yields incredibly rich flavors. Follow these easy steps, and you’ll have a warm, hearty meal ready to enjoy in under an hour. Precision in cooking times and techniques ensures the perfect texture and blend of tastes.

Sauté the Aromatics and Sausage: Begin by melting 1/2 tablespoon of butter in a large Dutch oven or heavy-bottomed stockpot over medium heat. Add the finely chopped yellow onions and diced red bell peppers. Sauté them for about 2 minutes until they start to soften and become fragrant. Next, add the ground Italian sausage to the pot, breaking it up with a spoon as it cooks. Continue to cook for approximately 10 minutes, or until the sausage is thoroughly browned and cooked through.
Infuse with Garlic and Season: Once the sausage is cooked, stir in the minced fresh garlic. Cook for just 1 minute more, allowing the garlic to become fragrant but careful not to burn it. Season this mixture generously with salt and freshly ground black pepper to taste. Using a slotted spoon, carefully remove the cooked sausage mixture from the pot, leaving any rendered fat behind. Set the sausage mixture aside in a separate bowl for later.
Simmer the Butternut Squash: Add the remaining 1/2 tablespoon of butter to the same pot and melt it over medium heat. Add the 1-inch cubed butternut squash to the pot and cook for 2 minutes, stirring gently. Pour in the 6 cups of chicken broth and add the bay leaf. Increase the heat to high and bring the mixture to a rolling boil. Once boiling, reduce the heat to a steady simmer, cover the pot, and let it cook for 12 to 15 minutes, or until the butternut squash is fork-tender. Start checking for tenderness around the 10-minute mark, as cooking times can vary based on the size of your squash cubes.
Blend for Creaminess: Carefully remove the pot from the heat. Discard the bay leaf. For an extra textural element, remove a couple of handfuls of tender butternut squash chunks from the soup and set them aside. Using an immersion blender, blend the soup directly in the pot until it reaches a smooth, creamy consistency. If you don’t have an immersion blender, you can carefully transfer the soup in batches to a traditional blender (ensure the lid is vented for steam release and hold it down firmly) and blend until smooth, then return it to the stockpot.
Combine and Heat Through: Return the pot to medium heat. Add the reserved butternut squash chunks, the rinsed and drained great northern beans, the undrained fire-roasted diced tomatoes, and the previously cooked Italian sausage mixture back into the soup. Stir everything together thoroughly. Continue to cook for 3 to 4 minutes, allowing all the ingredients to heat through and their flavors to meld beautifully.
Final Seasoning and Garnish: Taste the soup and adjust the seasoning as needed with additional salt and black pepper. Ladle the hot soup into bowls. For an exquisite finish, drizzle each serving with a touch of heavy cream and garnish with a sprinkle of fresh chopped parsley. Serve immediately and enjoy your homemade comforting Italian Sausage Butternut Squash Soup!

Overhead, close-up image of butternut squash soup cooking in a Dutch oven.

Expert Tips & Tricks for the Best Butternut Squash Soup

Effortless Veggie Prep: Handling large, firm vegetables like butternut squash can be daunting. Always use a very sharp, sturdy knife to prevent slips and accidents. If you’re short on time or prefer convenience, don’t hesitate to purchase 2 to 3 bags of pre-cubed butternut squash from your grocery store. It’s a fantastic time-saver, especially for quick weeknight meals.
Boost Flavor with Roasting: For an even deeper, more complex flavor profile, consider roasting your butternut squash instead of simmering it. Simply cut a whole squash in half, scoop out the seeds, drizzle the cut sides with a little olive oil, and roast cut-side up on a sheet pan at 400°F (200°C) for about 30-40 minutes, or until tender and slightly caramelized. Once roasted, scoop out the flesh and add it to the pot along with the chicken broth and bay leaf, heating through before blending. This step adds a wonderful nutty, sweet dimension.
Achieve Your Desired Consistency: If you prefer a thinner soup, gradually add more chicken broth or a splash of water until it reaches your desired consistency. For a thicker soup, you can simmer it uncovered for a bit longer to reduce, or add a small amount of cornstarch slurry (cornstarch mixed with an equal part cold water) during the last few minutes of cooking.
Creamy Alternatives: If you don’t have heavy cream, or prefer a lighter touch, feel free to substitute with other creamy ingredients. Crème fraîche offers a tangier, richer profile, while whole milk or evaporated milk can provide creaminess with fewer calories. For a dairy-free option, coconut milk or cashew cream works beautifully.
Make it Dairy-Free and Vegetarian: This recipe is incredibly adaptable! To make it dairy-free, simply replace the butter with olive oil. For a vegetarian version, substitute vegetable broth for chicken broth and omit the Italian sausage entirely, or use a plant-based sausage alternative. You can add extra vegetables like carrots or celery, or more beans, to maintain the heartiness.
Spice it Up: If you love heat, use hot Italian sausage. You can also add a pinch of red pepper flakes when sautéing the aromatics, or a dash of cayenne pepper when seasoning the soup to kick up the spice level.

Serving Suggestions & Perfect Pairings

This Italian Sausage Butternut Squash Soup is wonderfully satisfying on its own, but pairing it with the right sides can elevate your meal to a truly memorable experience. Its rich flavors lend themselves beautifully to a variety of accompaniments.

For the perfect side, try my soft Parmesan dinner rolls or air fryer Red Lobster Biscuits to sop up all that savory goodness. A rustic slice of crusty bread or warm garlic knots would also be delightful. For a fresh contrast, serve alongside a crisp, vibrant salad like an avocado tomato salad or the popular Jennifer Aniston quinoa salad. The freshness of the greens and light vinaigrette would cut through the richness of the soup beautifully.

Don’t forget the garnishes! A swirl of heavy cream or sour cream adds visual appeal and extra creaminess. A sprinkle of fresh herbs like chopped parsley, chives, or sage can brighten the flavors. For a crunchy texture, toasted pumpkin seeds, homemade croutons, or grated Parmesan cheese are excellent choices. And for dessert, sweet endings like the yummiest pumpkin cheesecake crescent rolls or a classic, easy tiramisu would perfectly complement this hearty savory meal, making it an ideal autumn or winter dinner party centerpiece.

Side shot of butternut squash and sausage soup with cream in a white soup bowl.

How to Store and Reheat Leftovers

One of the best things about this butternut squash soup with Italian sausage is how well it keeps, making it fantastic for meal prep or enjoying a second meal with minimal effort. Properly storing your leftovers ensures they remain delicious and safe to eat.

To Refrigerate: Allow the soup to cool completely before transferring it to an airtight container. Store it in the refrigerator for up to 3 days. The flavors often meld and deepen overnight, making it even more delicious the next day!
To Freeze: This soup freezes beautifully. Once cooled, ladle the butternut squash soup into freezer-safe bags (laying them flat to freeze saves space) or other airtight freezer containers. Leave a little headspace for expansion. Freeze for 1 to 2 months for best quality. When you’re ready to enjoy, thaw the soup overnight in the refrigerator.
To Reheat: For refrigerated soup, simply place the desired portion in a saucepan over medium heat, stirring occasionally, until it is thoroughly heated through. If reheating from frozen, you can gently warm it on the stovetop from frozen, though thawing first is recommended for even heating. You may need to add a splash of broth or water if the soup has thickened too much during storage. Avoid boiling vigorously to maintain the soup’s texture.

Frequently Asked Questions About Butternut Squash Soup

Here are some common questions and helpful answers to ensure your Italian Sausage Butternut Squash Soup turns out perfectly every time.

Can I use frozen butternut squash?
Absolutely! Using pre-cut frozen butternut squash is a great time-saver. You won’t need to peel or chop. Simply add the frozen squash directly to the pot with the chicken broth and simmer as directed until tender. The cooking time might be slightly longer than with fresh squash.
What if I don’t have an immersion blender?
No problem! You can use a regular upright blender. Be sure to work in batches, filling the blender only halfway. Always remove the small cap from the blender lid (or slightly vent it) and hold the lid firmly with a kitchen towel to allow steam to escape and prevent pressure buildup. Blend until smooth, then return the pureed soup to the pot.
Can I make this soup vegetarian or vegan?
Yes, this recipe is very adaptable. For a vegetarian version, swap the chicken broth for vegetable broth and omit the Italian sausage. You can add extra vegetables like carrots, celery, or mushrooms, or a can of drained lentils for added protein and heartiness. To make it vegan, ensure you use oil instead of butter and a plant-based cream alternative (like full-fat coconut milk) for garnish.
How can I adjust the spice level?
The spice level primarily comes from the Italian sausage. If you prefer a milder soup, use sweet or mild Italian sausage. For a spicier kick, opt for hot Italian sausage. You can also add a pinch of red pepper flakes along with the onions and bell peppers, or stir in a dash of cayenne pepper when seasoning.
Can I prepare this soup ahead of time?
This soup is an excellent make-ahead meal! You can prepare the entire recipe and store it in the refrigerator for up to 3 days, or freeze it for longer storage. The flavors often deepen overnight, making it even more delicious on subsequent days. Just reheat gently when ready to serve.
What if my soup is too thick or too thin?
If your soup is too thick after blending, gradually stir in a little more chicken or vegetable broth until it reaches your desired consistency. If it’s too thin, you can simmer it uncovered over low heat for an additional 10-15 minutes to allow some of the liquid to evaporate, or thicken it slightly with a cornstarch slurry (1 tablespoon cornstarch mixed with 1 tablespoon cold water, stirred into the simmering soup).

More Cozy Soup Recipes to Explore

If you loved this hearty butternut squash soup, you’ll surely enjoy these other comforting soup recipes perfect for any time of year:

Creamy Ravioli Soup
Crack Chicken Soup
Ham Bone Soup
Albondigas Soup
Chicken Pot Pie Soup

overhead shot of butternut squash and sausage soup in a white soup bowl

4.88 from 58 votes

Butternut Squash Soup

by

Katerina | Easy Weeknight Recipes

A rich and comforting butternut squash soup recipe prepared with spicy Italian sausage, tender white beans, diced tomatoes, and pureed butternut squash.

Prep Time:

10

Cook Time:

40

Total Time:

50

Servings:
10

Ingredients

1 tablespoon unsalted butter, divided
1 small yellow onion, finely chopped
1 small red bell pepper, diced
1 pound ground Italian Sausage, (I use Hot Italian Sausage in casings)
salt and freshly ground black pepper, to taste
4 cloves garlic, minced
2.5 pounds butternut squash, peeled, seeded, and chopped into 1-inch cubes
6 cups low sodium chicken broth
1 bay leaf
1 can (15.5 ounces) great northern beans, well rinsed and drained
1 can (14.5 ounces) fire roasted diced tomatoes, undrained
salt and freshly ground black pepper, to taste
heavy cream, for garnish, optional
chopped fresh parsley, for garnish

Instructions

Melt 1/2 tablespoon butter in a Dutch oven or stockpot set over medium heat. Add onions and peppers; cook for 2 minutes. Stir in the sausage and cook for 10 minutes or until browned and cooked through, breaking up the sausage into crumbles as it cooks.
Add garlic, season with salt and pepper, and cook for 1 minute. Using a slotted spoon, remove the sausage mixture from the pot and set aside.
Melt the remaining butter in the pot set over medium heat; add squash to the pot and cook for 2 minutes. Then, stir in the chicken broth; add bay leaf, increase heat to high, and bring to a boil. Reduce the heat to a steady simmer and continue to simmer, covered, for 12 to 15 minutes or until the squash is tender. Start checking around the 10-minute mark.

Note: The larger the chunks of butternut squash, the longer it will take for them to soften.
Remove from heat. Discard the bay leaf. Remove a couple handfuls of butternut squash chunks from the soup and set aside. Using an immersion blender, blend the soup until smooth. You can also blend the soup in a traditional blender and return the soup back to the stockpot.
Return the butternut squash chunks back to the pot and set the pot over medium heat. To the soup, add the beans, tomatoes, and previously prepared sausage mixture; cook for 3 to 4 minutes or until heated through.
Taste for salt and pepper, and adjust accordingly. Drizzle with cream and garnish with parsley. Serve.

Equipment

Measuring Cups and Spoons
Dutch Oven
Wooden Spoons
Blender

Notes

Veggie Prep: Use a large, sharp knife to cut the butternut squash, or buy pre-cut squash for convenience.
Roasting Option: For enhanced flavor, roast the squash at 400°F (200°C) for 30 minutes before adding it to the pot with the chicken broth and bay leaf, then heat it through before blending.
Cream Alternatives: Crème fraîche, whole milk, or evaporated milk can be used as a substitute for heavy cream.
Dairy-Free & Vegetarian: Replace the butter with oil, use veggie broth instead of chicken, and omit the sausage to make this soup dairy-free and vegetarian.

Nutrition

Nutritional info is an estimate and provided as courtesy. Values may vary according to the ingredients and tools used. Please use your preferred nutritional calculator for more detailed info.

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