Indulgent & Creamy Butternut Squash Stuffed Shells: The Ultimate Fall Comfort Food
There’s nothing quite like a warm, comforting meal to usher in the coziness of fall. These Butternut Squash Stuffed Shells are exactly that – a perfect symphony of creamy texture, savory turkey sausage, sweet roasted butternut squash, and gooey fresh mozzarella, all baked to golden perfection. This isn’t just a meal; it’s an experience, transforming simple ingredients into an incredibly satisfying dish that feels both gourmet and incredibly approachable. It’s destined to become a staple in your fall and winter dinner rotation.

Imagine large pasta shells, generously filled with a flavorful mixture, then bathed in a silky-smooth, sweet, and savory butternut squash sauce. Topped with bubbling, melted cheese, each bite offers a delightful combination of textures and tastes. Whether you’re seeking a hearty weeknight dinner or an impressive dish for a special gathering, these stuffed shells deliver on every front – flavor, comfort, and ease.
Why You’ll Adore This Butternut Squash Stuffed Shells Recipe
- Embrace Cozy Fall Flavors: This recipe perfectly captures the essence of autumn. The naturally sweet, earthy notes of butternut squash are elevated by a creamy sauce, creating a wonderful counterpoint to the savory, spiced turkey sausage and rich cheeses. It’s a harmonious blend that celebrates seasonal ingredients, making every forkful a taste of fall.
- Ideal for Gatherings and Special Occasions: While deceptively easy to prepare, these stuffed shells present beautifully, making them an impressive centerpiece for holiday meals, dinner parties, or any time you want to share a heartwarming dish with loved ones. Its rich flavors and elegant presentation are sure to garner compliments. Plus, it’s easily scalable for larger crowds, simplifying your entertaining efforts.
- A Family-Friendly Comfort Food Favorite: This dish is a guaranteed crowd-pleaser for all ages. The combination of tender pasta, cheesy goodness, and a subtly sweet and savory filling ensures that both kids and adults will eagerly dive in. It’s the kind of wholesome, flavorful meal that brings everyone together around the dinner table, offering warmth and satisfaction.
FREE Budget-Friendly Meal Plan!
Unlock incredible savings on your grocery bills with our exclusive free budget-friendly meal plan ebook. Discover delicious recipes and smart strategies to save thousands of dollars on food every year without sacrificing flavor or nutrition. Get your copy today!
Key Ingredients and Smart Substitutions for Stuffed Shells
Crafting the perfect butternut squash stuffed shells relies on a few core ingredients. Here’s what you’ll need, along with some easy swaps to suit your pantry or dietary preferences:
- Olive Oil: Used primarily for roasting the squash and sautéing the filling. While olive oil adds a nice flavor, any neutral-tasting cooking oil, such as avocado oil, canola oil, or vegetable oil, will work just as effectively without altering the final taste significantly.
- Turkey Sausage: This provides a lean yet flavorful base for our filling. For a convenient shortcut, opt for bulk turkey sausage. If you prefer a milder taste or want to control the seasoning, plain ground turkey can be used and spiced to your liking. To add a different dimension of flavor, consider using spicy pork sausage or traditional Italian sausage for a more robust profile.
- Red Onion: Offers a mild, slightly sweet onion flavor that complements the other ingredients. If red onions aren’t available, yellow or white onions can be substituted. Be aware that they might impart a slightly sharper, more pungent onion flavor, so you might want to adjust the quantity based on your preference.
- Kale: Adds a touch of earthy green and nutritional value to the rich filling. Any sturdy greens can be used in its place, such as fresh spinach, Swiss chard, or collard greens. If using spinach, remember it wilts down significantly, so you might need a larger quantity.
- Butternut Squash: The star of the creamy sauce, bringing natural sweetness and a beautiful color. If you’re short on time, pre-cut butternut squash from the grocery store is a great option. For alternative squash varieties, pumpkin puree or acorn squash can also be used to achieve a similar creamy consistency and flavor profile.
- Milk: Forms the creamy base of the butternut squash sauce. Feel free to use your preferred unsweetened milk alternative (such as almond or oat milk) if you have dietary restrictions or preferences. Full-fat coconut milk can add a subtle richness, or for a savory depth, vegetable or chicken broth can be used for a lighter sauce.
- Parmesan Cheese: Infuses the sauce with a salty, umami kick. High-quality grated Parmesan is recommended for the best flavor. Excellent alternatives include Pecorino Romano for a sharper taste or Parmigiano-Reggiano for a truly authentic Italian touch. Asiago cheese also works well.
- Large Pasta Shells (Conchiglioni): These jumbo shells are perfect for stuffing, as their shape cradles the delicious filling and sauce. If you can’t find large shells, manicotti pasta tubes are an ideal substitute, offering a similar capacity for stuffing. Ensure they are cooked al dente to prevent mushiness.
- Mozzarella Cheese: Provides that irresistible bubbly, melty topping. Fresh mozzarella, shredded or diced, offers superior melt and a delicate flavor. Other excellent melting cheeses include provolone, Swiss cheese, or even a sharp cheddar for a more pronounced cheesy flavor.

How to Prepare Butternut Squash Stuffed Shells: A Step-by-Step Guide
Making these comforting butternut squash stuffed shells is a straightforward process that yields impressive results. Follow these detailed steps to create a meal your family will rave about.

Step 1: Roast the Butternut Squash to Perfection
Begin by preheating your oven to 450°F (230°C). Peel and dice one small butternut squash into uniform 1/2-inch cubes. Spreading them evenly on a parchment-lined baking sheet, drizzle with a tablespoon of olive oil, and season generously with salt and black pepper. Roasting the squash caramelizes its natural sugars, intensifying its sweetness and creating a depth of flavor that is crucial for the creamy sauce. Roast for approximately 20 minutes, or until the squash is fork-tender and slightly browned at the edges. This step is key for a rich, flavorful sauce.
Step 2: Sauté the Flavorful Turkey Sausage, Kale, and Red Onions
While the squash roasts, prepare the savory filling. Heat the remaining olive oil in a large skillet over medium-high heat. If using turkey sausage with casings, remove them. Add the turkey sausage to the skillet, breaking it up with a spoon as it cooks. Sauté for 3-4 minutes until it’s nicely browned. Next, add the sliced red onion and cook for another 2 minutes until it begins to soften and become translucent. Stir in the chopped kale, allowing it to wilt for about 2 minutes. Season this mixture with salt and pepper to taste. Once cooked, remove the skillet from the heat. This creates a deeply savory and aromatic counterpoint to the sweet squash.

Step 3: Cook the Jumbo Pasta Shells Al Dente
Bring a large pot of salted water to a rolling boil. Add the large pasta shells and cook according to package directions, but be sure to cook them just until al dente. This means they should still have a slight bite to them. Overcooking the pasta at this stage can lead to mushy shells after baking. Once cooked, drain the pasta thoroughly and carefully transfer the shells to a lightly greased 9×13-inch baking dish, arranging them in a single layer to make stuffing easier.
Step 4: Prepare the Creamy Butternut Squash Sauce
Once the roasted butternut squash is tender and slightly cooled, transfer it to a high-speed blender or food processor. Add the milk, grated Parmesan cheese, and a pinch of salt and pepper. Blend until the mixture is completely smooth and creamy, scraping down the sides as needed to ensure no lumps remain. Taste and adjust seasoning if necessary. This vibrant, naturally sweet sauce forms the heart of the dish and binds all the flavors together beautifully.

Step 5: Expertly Stuff the Cooked Shells
Now comes the fun part – stuffing! Carefully take each cooked pasta shell and, using a small spoon or your fingers, generously fill it with the turkey sausage and kale mixture prepared in Step 2. Arrange the stuffed shells snugly in the prepared baking dish. This methodical approach ensures each shell is packed with deliciousness, providing a consistent flavor experience in every bite.
Step 6: Bake, Serve, and Savor Every Bite!
Once all the shells are stuffed and arranged, pour the creamy butternut squash sauce evenly over them, ensuring every shell is coated and nestled in the vibrant sauce. Sprinkle the entire dish generously with mozzarella cheese. Place the baking dish in the preheated oven and bake for 10-15 minutes, or until the cheese is beautifully melted and bubbly, and the sauce is hot throughout. Let it cool for a few minutes before serving. Garnish with fresh herbs if desired, and enjoy these utterly delicious and comforting butternut squash stuffed shells!

Recipe Tips and Delicious Variations
These butternut squash stuffed shells are wonderfully versatile! Here are some creative ways to customize this recipe and make it truly your own:
- Make it Meat-Less: For a fantastic vegetarian option, simply omit the turkey sausage. Instead, you can sauté a medley of sliced mushrooms (cremini or shiitake work great) with the red onions and kale. Roasted vegetables like bell peppers or zucchini can also be chopped and mixed in, or simply combine the sautéed kale and onions with 2 cups of creamy ricotta cheese for a rich and satisfying vegetarian filling.
- Boost Creaminess with Butternut Squash and Ricotta: To achieve an even richer and more decadent filling, incorporate ricotta cheese. Replace the milk and parmesan in the sauce with 2 cups of whole-milk ricotta cheese. This will create a thicker, incredibly creamy sauce that perfectly complements the sweet squash. You could also add a dollop of ricotta directly into the sausage and kale mixture for extra creaminess in the shells themselves.
- Utilize Dinner Leftovers: Don’t let cooked squash go to waste! If you have leftover roasted butternut squash or even sweet potatoes from a previous meal, they can be easily pureed and used in place of roasting fresh squash. This is a fantastic time-saver and a great way to reduce food waste. Just ensure the cooked squash is soft enough to blend smoothly.
- Leaner Meat Swaps: If you’re looking for an alternative to turkey sausage, shredded cooked turkey or chicken makes for an excellent leaner protein option. You can use rotisserie chicken for extra convenience, simply shredding it and mixing it into the sautéed onion and kale base. This provides a lighter yet equally satisfying filling.
- Spice It Up: Add a pinch of red pepper flakes to the sausage mixture for a subtle kick, or a dash of nutmeg to the butternut squash sauce to enhance its warmth and seasonal flavor.
Frequently Asked Questions About Butternut Squash Stuffed Shells
How do I prevent the pasta shells from getting mushy after baking?
The key to perfectly textured stuffed shells is to cook them al dente, meaning slightly firm to the bite, before stuffing. Cook the shells 1-2 minutes less than the package directions suggest. They will finish cooking and absorb the delicious sauce in the oven without becoming overly soft or mushy, maintaining a pleasant chew.
Can I make this a one-pot dish for easier cleanup?
While the traditional method involves separate steps for roasting and boiling, you can certainly adapt this recipe for a simpler stovetop approach! To skip the oven entirely, prepare the filling as directed. For the sauce, you can cook the butternut squash cubes directly in a pot with a little broth until tender, then mash or blend them with the milk and Parmesan. Cook your pasta, then combine the squash purée, cooked sausage mixture, greens, and cheese all in one large pan or Dutch oven for a hearty, deconstructed one-pot meal. This won’t be “stuffed” but will capture all the delicious flavors.
How do I boost the nutrition without losing the comfort-food vibe?
It’s easy to sneak in extra nutrients without sacrificing the indulgent feel of this dish. Before baking, mix in additional finely chopped vegetables like roasted broccoli florets, sautéed spinach, or diced zucchini to the sausage and kale mixture. Stirring in chopped roasted red peppers not only adds a lovely color but also a boost of vitamins. You can also opt for whole wheat pasta shells for increased fiber, and use a lower-fat milk alternative in the sauce.
Is butternut squash difficult to cut?
Butternut squash can be a bit challenging due to its firm skin. To make it easier and safer, you can pierce the squash several times with a fork and microwave it for 2-3 minutes. This softens the skin slightly, making it much easier to peel with a vegetable peeler and then cut with a sharp knife. Always use a stable cutting surface and a sharp chef’s knife for safety.

Delicious Pairings: What to Serve with These Stuffed Shells
These creamy, hearty butternut squash stuffed shells are a meal in themselves, but pairing them with lighter sides helps to create a perfectly balanced and satisfying dinner. Here are some of my favorite ideas that complement the richness of the pasta:
- Fresh Green Salads: A crisp, vibrant salad is the perfect counterpoint to the creamy pasta. Consider a light vinaigrette to cut through the richness.
- Strawberry Spinach Salad with Chicken: Offers freshness, fruitiness, and lean protein.
- How to Make Mason Jar Salads + 5 Recipes: Great for meal prep and customizable options.
- The Best Kale Salad on the Internet: A hearty green salad that stands up to rich flavors.
- Roasted Veggies or Veggie Fries: Simple, roasted vegetables add nutrients and another layer of delicious flavor without being too heavy.
- Roasted Vegetable Flatbread: A light, savory side that can be made ahead.
- Crispy Green Bean Fries: A fun, healthier alternative to traditional fries.
- Crispiest Air Fryer Zucchini Fries: A fantastic way to enjoy a lighter, crunchy side.
- Healthy Air Fryer Sweet Potato Fries: Sweet and savory, complementing the squash beautifully.
- Garlic Bread or Crusty Ciabatta: Perfect for soaking up any extra creamy butternut squash sauce!
Storage and Reheating Tips for Easy Meal Planning
This butternut squash stuffed shells recipe is fantastic for meal prep, making it perfect for busy weeknights or feeding a crowd with minimal last-minute effort. Proper storage ensures you can enjoy these delicious leftovers for days.
Make Ahead: You can assemble the entire dish, including stuffing the shells and pouring over the sauce, up to a day in advance. Simply cover the baking dish tightly with aluminum foil and refrigerate. When ready to bake, remove from the fridge 30 minutes before baking and then bake as directed, adding an extra 10-15 minutes to the baking time if starting from cold.
Store Leftovers: Any cooked and cooled leftovers should be transferred to an airtight container and stored in the refrigerator. They will remain fresh and delicious for up to 4 days.
Reheat: For individual portions, simply reheat in the microwave for 2-3 minutes, or until thoroughly warmed through. For larger portions or if reheating the entire dish, bake in the oven at 350°F (175°C) until hot and bubbly, usually about 15-20 minutes, covered with foil to prevent drying out.
Freeze and Reheat from Frozen: This dish freezes beautifully! Once the stuffed shells have fully cooled after baking, transfer them to freezer-safe airtight containers or a freezer-friendly baking dish. They can be frozen for up to 3 months. To reheat from frozen, you can bake them directly in the oven at 350°F (175°C) for 45-60 minutes (covered with foil), or until heated through. Alternatively, thaw them overnight in the refrigerator for quicker reheating in the oven or microwave.
More Healthy Butternut Squash Recipes to Love
If you’re a fan of butternut squash, you’ll love exploring these other delicious and wholesome recipes that highlight this versatile fall vegetable.
-
Curried Butternut Squash Lentil Soup {Vegan}
-
One Pot Butternut Squash Chicken Curry
-
Chicken & Butternut Squash Harvest Bowls
Essential Meal Prep Tools for This Recipe
Having the right tools can make preparing these butternut squash stuffed shells even easier, especially if you’re planning on making them ahead or freezing portions:
- Grab some glass meal prep bowls if you plan on storing leftovers. They’re excellent for portioning out individual servings and reheating in the microwave or oven.
- My Vitamix blender is a must-have for achieving that perfectly smooth and creamy butternut squash sauce. Its powerful motor ensures no lumps, resulting in a velvety texture for your purees and soups.
- An immersion blender offers a more budget-friendly and convenient way to blend your squash sauce directly in the pot. It saves on dishes and is great for quick pureeing tasks without needing to transfer hot liquids.

Butternut Squash Stuffed Shells {Super Creamy}
Print
Pin
Rate
SEND ME MY PLAN
Ingredients
- 1 tbsp olive oil
- 1 lb turkey sausage, casings removed
- 1 red onion, sliced
- 2 cups kale, chopped
- 1 small butternut squash, diced into 1/2 inch cubes
- 1 cup milk
- 1/2 cup parmesan cheese, grated
- 1/2 tsp salt & pepper
- 1 lb large pasta shells
- 1 cup mozzarella cheese
Instructions
-
Preheat oven to 450 F. Add butternut squash to a parchment-lined baking sheet. Drizzle with a bit of olive oil and season with salt & pepper. Roast for 20 minutes.
-
Cook pasta according to package directions, then drain and add to a greased 9×13 casserole dish.
-
Meanwhile, heat olive oil in a large skillet over med-high heat. Squeeze turkey sausage out of casings, then add to skillet and break up with a spoon. Cook for 3-4 minutes until browned, then add red onion, sauteeing another 2 minutes until onions soften. Stir in kale and season mixture with salt & pepper, cooking another 2 minutes. Remove from heat and divide mixture among cooked pasta shells.
-
Remove squash from the oven and blend with milk, parmesan cheese and salt & pepper in a blender. Add sauce to filled shells, then top shells with mozzarella cheese. Bake for 10-15 minutes or until cheese is melted. Serve and enjoy!
Video
Notes
Using freshly grated cheese instead of pre-shredded will give you a creamier sauce since it melts more smoothly.
If the sauce feels too thick after blending the squash, add a splash of milk or broth to loosen it.
Refrigerate any cooked shells in an airtight container for as long as 4 days.
Microwave individual portions for 2–3 minutes or bake at 350 F until warmed through.
