As I stirred the bubbling pot of pasta and pumpkin tomato sauce, the kitchen filled with an inviting aroma that felt like a warm hug on a chilly fall day. This Cheesy Pumpkin Pasta Bake with Spinach and Walnut-Sage Topping is not just a dish; it’s a celebration of comfort food and nutrient-dense ingredients, perfect for cozy evenings spent at home. Packed with the goodness of fresh veggies and topped with a crispy walnut-sage mix, this vegetarian delight promises a satisfying meal that’s both healthy and indulgent. Plus, it comes together quickly, making it ideal for busy weeknights or gatherings with loved ones. Are you ready to discover how to bring this autumnal flavor right to your table?

Why is This Pasta Bake a Must-Try?
Comforting Warmth: This Cheesy Pumpkin Pasta Bake wraps you in a cozy embrace with its creamy pumpkin tomato sauce.
Nutrient-Dense Goodness: Packed with spinach and earthy walnuts, it boosts your health while satisfying your cravings.
Quick and Easy: Perfect for busy weeknights, it comes together swiftly, letting you enjoy gourmet flavors without the fuss.
Crowd-Pleasing Appeal: This dish is a stunning centerpiece for gatherings, sure to impress friends and family alike.
Versatile Options: Feel free to customize! Swap spinach for kale or add turkey sausage for a heartier meal. If you’re inspired, try pairing it with a light salad or some Pumpkin Overnight Oats for the ultimate fall feast!
Pasta Bake with Pumpkin Tomato Sauce Ingredients
For the Pasta
• Dry Pasta – 1 lb. of any tubular pasta, like mezzi rigatoni or shells, serves as the dish’s main structure. Note: Can substitute with gluten-free pasta.
For the Sauce
• Butter – 2 Tbsp adds richness and flavor; use vegan butter for a dairy-free option.
• Olive Oil – 2 Tbsp is essential for sautéing vegetables and adding flavor.
• Cremini Mushrooms – 8 oz., sliced, providing depth and umami flavor.
• Yellow Onion – 1, finely chopped, enhances the base flavor of the dish.
• Garlic – 4 cloves, minced, boost the flavor profile beautifully.
• Tomato Paste – 1/4 cup adds acidity and a rich tomato backdrop.
• Crushed Red Pepper Flakes – 1/2 tsp for a touch of spice; omit for less heat.
• Dried Oregano – 1 tsp provides a savory herb component.
• Kosher Salt – 1 tsp enhances overall flavor.
• Black Pepper – 1/2 tsp for seasoning.
• Ground Nutmeg – 1/4 tsp adds warmth and a hint of sweetness.
• Vegetable Broth – 3 cups contributes moisture and depth to the sauce.
• Pumpkin Purée – 1 (15 oz.) can acts as a creamy base for the sauce.
For the Greens
• Fresh Baby Spinach – 3 to 4 handfuls brightens the dish with freshness and nutrition.
For the Topping
• Walnuts – 1/2 cup, finely chopped, adds crunchy texture and nutty flavor; substitutable with pecans.
• Fresh Sage – 1 Tbsp plus 2 tsp, finely chopped, provides aromatic flavor; can use dried sage in half the amount if fresh isn’t available.
• Grated Parmesan Cheese – 1/2 cup adds a salty, nutty flavor; use nutritional yeast for a vegan alternative.
• Grated Fontina Cheese – 1 1/2 cups, divided, creates a creamy texture and gooey topping.
Indulge in this Cheesy Pasta Bake with Pumpkin Tomato Sauce that is both comforting and flavor-packed!
Step‑by‑Step Instructions for Cheesy Pumpkin Pasta Bake with Spinach and Walnut-Sage Topping
Step 1: Preheat the Oven
Begin by preheating your oven to 375ºF (190ºC). This ensures the temperature is just right for baking your Cheesy Pumpkin Pasta Bake, allowing the cheese to melt beautifully and the topping to turn golden and crispy.
Step 2: Cook the Pasta
In a large pot, bring enough salted water to a rolling boil. Add your tubular pasta and cook it according to the package instructions, stopping 2 minutes shy of al dente. Drain the pasta and set it aside, as it will continue to cook in the oven while absorbing the pumpkin tomato sauce.
Step 3: Toast the Walnuts
In a skillet, melt 2 tablespoons of butter over medium heat. Add the finely chopped walnuts and 1 tablespoon of sage, toasting them for about 5 minutes until they are golden and fragrant. Transfer this aromatic mixture to a bowl and set aside, as it will add a delightful crunch to your bake.
Step 4: Sauté the Vegetables
Using the same skillet, add 2 tablespoons of olive oil, then toss in the sliced cremini mushrooms and finely chopped yellow onion. Sauté the mixture for about 8 minutes until the vegetables are softened and start to caramelize, creating a flavorful base for your sauce.
Step 5: Build the Sauce
Stir in the tomato paste, minced garlic, and crushed red pepper flakes to the vegetables in the skillet. Cook for 3-4 minutes, stirring frequently until the tomato paste darkens slightly and becomes caramelized, infusing the sauce with rich flavor for your pasta bake.
Step 6: Add Spinach and Seasonings
Next, gradually incorporate the fresh baby spinach into the skillet, allowing it to wilt down. Stir in the dried oregano, kosher salt, black pepper, and ground nutmeg, mixing thoroughly to ensure that everything is well combined in this flavorful pumpkin tomato sauce.
Step 7: Create the Creamy Sauce
Now, deglaze the skillet with the vegetable broth, scraping up any bits stuck to the bottom. Stir in the canned pumpkin purée until smooth, and then mix in the grated Parmesan and ½ cup of the grated Fontina cheese. Allow this combination to become creamy and luscious, coating the pasta perfectly.
Step 8: Combine with Pasta
Add the drained pasta to the skillet, gently tossing to combine until the pasta is well coated in the creamy pumpkin tomato sauce. Ensure every piece is enveloped in deliciousness, so each bite of your Cheesy Pumpkin Pasta Bake is perfectly flavorful.
Step 9: Assemble the Bake
Pour the sauced pasta mixture into a greased 13×9-inch baking dish, spreading it evenly. Top the pasta with the remaining grated Fontina cheese, followed by the toasted walnut-sage mixture. This creates a crispy topping that will add texture contrasted with the creamy interior.
Step 10: Bake to Perfection
Cover the baking dish with aluminum foil and bake in your preheated oven for 15 minutes. Afterward, uncover and continue baking for another 10 minutes, or until the cheese is melted, bubbly, and golden brown, inviting you to dig into this comforting dish.

Pasta Bake with Pumpkin Tomato Sauce Variations
Feel free to experiment and add your own twist to this delightful recipe for a more personalized meal experience!
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Butternut Squash: Substitute pumpkin purée with butternut squash purée for a sweeter, buttery flavor that shines through.
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Turkey Sausage: For a heartier dish, add cooked turkey sausage, which infuses a savory, meaty element that balances beautifully with the pumpkin.
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Kale or Swiss Chard: Swap spinach for kale or Swiss chard to boost the dish’s crunch and nutritional value, creating a delightful variation full of greens.
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Dairy-Free Option: Replace both Parmesan and Fontina cheese with nutritional yeast and a vegan cream alternative for a luscious dairy-free version your guests will love.
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Spicy Kick: Add diced jalapeños or extra crushed red pepper flakes for a spicy twist that elevates the flavor profile and adds a delightful heat.
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Nuts Galore: Experiment with different nuts like pecans or even hazelnuts instead of walnuts to discover new textures and tastes that complement the dish.
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Herb Infusion: For a refreshing touch, mix in fresh basil or parsley before serving for a burst of color and flavor that brightens every bite.
Looking for more delicious ideas? Try pairing alongside some tender Greek Turkey Meatballs for a satisfying meal or serve it with a light side of Pumpkin Overnight Oats for the perfect fall-themed breakfast!
What to Serve with Cheesy Pumpkin Pasta Bake
Create a delightful dining experience that warms the heart and soul, perfectly complementing this creamy, cheesy masterpiece.
- Garlic Bread: The crispy, buttery goodness of garlic bread offers a delightful crunch, perfectly balancing the soft textures of the pasta bake.
- Simple Green Salad: Bright and refreshing greens tossed with a tangy vinaigrette cut through the richness, adding a light, vibrant touch to the meal.
- Roasted Brussels Sprouts: Crispy, caramelized sprouts bring earthy flavors, enhancing the comforting experience of the pumpkin-infused pasta.
- Buttery Corn on the Cob: Sweet, buttery corn adds a naturally sweet and juicy element that pairs beautifully with the savory pumpkin and creamy cheese.
- Honey-Glazed Carrots: Their natural sweetness and tender texture provide a lovely contrast to the hearty pasta bake, enhancing the overall autumn vibe.
- Sparkling Cider: This festive drink adds a refreshing sparkle, complementing the flavors while providing a celebratory touch to your cozy dinner.
How to Store and Freeze Cheesy Pumpkin Pasta Bake
Fridge: Store leftovers in an airtight container for up to 5 days. This keeps the Cheesy Pumpkin Pasta Bake fresh and ready for a quick meal.
Freezer: Freeze baked pasta for up to 3 months. Portion it into freezer-safe containers, allowing some space for expansion.
Reheating: When ready to enjoy again, reheat in the microwave or oven. If the pasta appears dry, add a splash of vegetable broth before reheating to keep it moist.
Make-Ahead Tip: To save time, prepare the Cheesy Pumpkin Pasta Bake ahead of time, store it in the fridge, and bake when ready to serve!
Expert Tips for Cheesy Pumpkin Pasta Bake
Avoid Overcooking Pasta: Make sure to cook your pasta just until it’s al dente. It will continue cooking in the oven, ensuring the perfect texture in your Cheesy Pumpkin Pasta Bake.
Toast Your Walnuts: Toasting walnuts enhances their nutty flavor and crunch. Keep an eye on them to prevent burning—aroma is your cue!
Extra Creaminess: For a richer sauce, don’t hesitate to add more grated Fontina cheese. It melts beautifully and adds to the creamy consistency.
Make-Ahead Option: Prepare this dish in advance! Assemble everything and store it in the fridge overnight. Just pop it in the oven when you’re ready to bake.
Seasoning Balance: Taste your sauce before mixing in the pasta. Adjust salt and spices to your liking, ensuring every bite of the Pasta Bake with Pumpkin Tomato Sauce bursts with flavor.
Fresh Herbs: Consider adding fresh herbs like parsley or thyme as a garnish before serving for a bright, fresh touch and added aroma!
Make Ahead Options
These Cheesy Pumpkin Pasta Bakes are perfect for meal prep enthusiasts! You can prepare the entire pasta bake up to 24 hours in advance by following the assembly steps and covering the dish tightly with plastic wrap or foil. For fresh taste, refrigerate, and make sure to bake it straight from the fridge; just add an extra 5-10 minutes to the baking time to ensure it’s heated through. You can also chop the vegetables and make the creamy pumpkin sauce a day ahead to save time. This way, when it’s time to serve, you’ll simply combine everything and pop it in the oven, enjoying a comforting, homemade dinner with minimal effort!

Cheesy Pumpkin Pasta Bake Recipe FAQs
What type of pasta should I use for the best results?
I recommend using any tubular pasta such as mezzi rigatoni or shells. They hold the creamy pumpkin tomato sauce beautifully! If you’re gluten-sensitive, feel free to swap it out for gluten-free pasta, which works just as well in this comforting dish.
How long can I store leftovers of Cheesy Pumpkin Pasta Bake?
You can store the leftovers in an airtight container in the refrigerator for up to 5 days. This way, you can enjoy the delicious flavors again without any fuss during the week!
Can I freeze the Cheesy Pumpkin Pasta Bake for later?
Absolutely! This pasta bake freezes wonderfully. Portion it into freezer-safe containers and freeze for up to 3 months. When you’re ready to enjoy, simply thaw overnight in the fridge and reheat in the oven, adding a splash of vegetable broth if it looks a bit dry.
What should I do if my pasta turns out mushy?
If your pasta ends up mushy, it may have been overcooked before baking. Next time, keep an eye on the cooking time and stop boiling the pasta 2 minutes short of al dente. It will soak up some moisture while baking, ensuring that it retains the desired texture!
Is this recipe suitable for those with nut allergies?
If you’re concerned about nut allergies, you can easily omit the walnuts and use pumpkin seeds or sunflower seeds for a crunchy topping. Alternatively, you could create a breadcrumb topping mixed with herbs for added texture!
What’s the best way to keep the pasta bake creamy when reheating?
To maintain that creamy texture when reheating, add a splash of vegetable broth to the dish before placing it in the microwave or oven. This little trick helps keep the sauce luscious and prevents the pasta from drying out during the reheating process.

Cozy Up with Pasta Bake and Pumpkin Tomato Sauce Delight
Ingredients
Equipment
Method
- Preheat your oven to 375ºF (190ºC).
- In a large pot, bring enough salted water to a rolling boil. Add your tubular pasta and cook according to the package instructions, stopping 2 minutes shy of al dente. Drain and set aside.
- In a skillet, melt 2 tablespoons of butter over medium heat. Add chopped walnuts and 1 tablespoon of sage, toasting for about 5 minutes until golden and fragrant. Transfer to a bowl and set aside.
- Add 2 tablespoons of olive oil to the skillet, then toss in the sliced mushrooms and onion. Sauté for about 8 minutes until softened and caramelized.
- Stir in the tomato paste, minced garlic, and crushed red pepper flakes. Cook for 3-4 minutes until the tomato paste darkens slightly.
- Gradually incorporate the spinach, allowing it to wilt. Stir in oregano, salt, pepper, and nutmeg, mixing thoroughly.
- Deglaze the skillet with vegetable broth, then stir in the pumpkin purée until smooth. Mix in Parmesan and ½ cup of grated Fontina cheese until creamy.
- Add the drained pasta to the skillet, tossing until well coated with the creamy sauce.
- Pour the mixture into a greased 13x9-inch baking dish. Top with remaining Fontina cheese and the walnut-sage mixture.
- Cover with aluminum foil and bake for 15 minutes. Uncover and bake for another 10 minutes until the cheese is melted and golden brown.

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