Name: Pumpkin Tomato Pasta Bake with Walnut-Sage Topping Recipe
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: Italian American
Ingredients: 1 lb. dry pasta of choice (such as mezzi rigatoni, shells, ziti, fusilli, or farfalle); 2 Tbsp. butter; 1/2 cup finely chopped walnuts; 2 Tbsp. finely chopped fresh sage leaves; 2 Tbsp. extra-virgin olive oil; 8 oz. cremini (baby bella) mushrooms, sliced; 1 yellow onion, finely chopped; 1/4 cup tomato paste; 4 garlic cloves, minced; 1/2 tsp. crushed red pepper flakes; 3 to 4 handfuls fresh baby spinach; 1 tsp. dried oregano; 1 tsp. kosher salt; 1/2 tsp. black pepper; 3 cups vegetable broth; 1 (15-oz.) can pumpkin purée; 1/2 cup grated Parmesan cheese; 1 1/2 cups grated fontina cheese, divided

Jump to Recipe· 4.1 from 7 reviews

If you’re on the hunt for a comforting, cozy meal that brings warmth and rich autumn flavors to your table, look no further than this Pumpkin Tomato Pasta Bake with Walnut-Sage Topping Recipe. It’s a beautiful harmony of creamy pumpkin purée blended into a tangy tomato sauce, perfectly coating tender pasta, and topped with a crunchy, aromatic walnut and sage mixture. This dish is thrilling because it strikes a perfect balance between earthy, savory, and subtly sweet notes that will have you dreaming of fall all year round. Whether you’re cooking for family, friends, or just treating yourself, this pasta bake delivers satisfying layers of flavor and texture that feel both indulgent and wholesome.

Ingredients You’ll Need

The image shows several bowls and a can with cooking ingredients placed on a white marbled surface. There is a white bowl filled with fresh green spinach leaves, a white bowl with pale yellow dry pasta tubes, and a white bowl with sliced brown and white mushrooms. Next to these are two mustard yellow bowls containing diced white onions and small grated white cheese. Small brown bowls hold crushed walnuts, tomato paste with a deep red color, and a mixture of dried green herbs. There is also a small white bowl with minced garlic and a partially open can with orange pumpkin puree. Photo taken with an iphone --ar 4:5 --v 7

The magic of this recipe lies in its simplicity. Each ingredient plays a vital role, from the creamy pumpkin purée that gives the sauce a velvety texture and mild sweetness, to the sautéed mushrooms and onions that add depth and earthiness. Fresh sage and toasted walnuts bring a savory crunch that elevates the whole dish, while cheeses like Parmesan and fontina melt into pure comfort. You don’t need a pantry full of fancy items—just thoughtful, fresh ingredients that combine into something extraordinary.

1 lb. dry pasta of choice: Tubular or twisted pasta shapes like mezzi rigatoni, shells, ziti, fusilli, or farfalle work best to hold onto the sauce.
2 Tbsp. butter: For toasting the walnuts and cooking the sage, adding richness.
1/2 cup finely chopped walnuts: Adds a toasty crunch and nutty aroma to the topping.
2 Tbsp. finely chopped fresh sage leaves: Provides an herbal, fragrant kick that pairs beautifully with pumpkin.
2 Tbsp. extra-virgin olive oil: Used to sauté mushrooms and onions, adding a silky mouthfeel.
8 oz. cremini (baby bella) mushrooms, sliced: Adds umami and earthiness to the sauce.
1 yellow onion, finely chopped: For a subtle sweetness and foundational savory flavor.
1/4 cup tomato paste: Concentrated tomato flavor that brightens and thickens the sauce.
4 garlic cloves, minced: Adds pungency and warmth to the overall taste.
1/2 tsp. crushed red pepper flakes: For a gentle kick of heat that balances richness.
3 to 4 handfuls fresh baby spinach: Adds freshness and vibrant color that complements the fall palette.
1 tsp. dried oregano: A fragrant herb that ties the tomato and pumpkin flavors together.
1 tsp. kosher salt: Enhances all the dish’s flavors.
1/2 tsp. black pepper: Adds subtle spice to balance the sweetness.
3 cups vegetable broth: Creates the perfect silky base for the sauce.
1 (15-oz.) can pumpkin purée: The star ingredient, contributing creaminess and autumnal flavor.
1/2 cup grated Parmesan cheese: Adds savory depth and saltiness.
1 1/2 cups grated fontina cheese, divided: Melts beautifully for a luscious texture in the sauce and a golden topping.

How to Make Pumpkin Tomato Pasta Bake with Walnut-Sage Topping Recipe

Step 1: Cook the Pasta

Begin by bringing a large pot of generously salted water to a boil. Once boiling, add your choice of pasta and cook it until just shy of al dente—about two minutes less than usual. This ensures the pasta will finish cooking in the oven without becoming mushy. Drain the pasta thoroughly and set it aside, ready to soak up that velvety sauce.

Step 2: Toast Walnuts and Sage

While the pasta cooks, melt butter in a large sauté pan over medium heat. Add the chopped walnuts and fresh sage, letting them toast together for about five minutes. You’ll notice the inviting aroma as the walnuts turn golden and the sage releases its fragrant oils. Season lightly with salt, then transfer the mixture to a small bowl to save for the topping later. This simple step builds incredible flavor and texture contrast for the final dish.

Step 3: Sauté Mushrooms and Onion

Return the pan to medium heat and add the olive oil. Toss in the sliced cremini mushrooms and finely chopped yellow onion and sauté until soft and caramelized—this usually takes 7 to 8 minutes. This base layer adds a gentle earthiness and sweetness to the sauce that complements the pumpkin wonderfully.

Step 4: Build the Sauce Base

Stir in tomato paste, minced garlic, and crushed red pepper flakes. Let the tomato paste cook for 2 to 3 minutes until it darkens to a rich brick-red and the garlic becomes fragrant. Gradually incorporate baby spinach, stirring until it wilts down completely. Sprinkle in dried oregano, salt, and black pepper to create a beautifully seasoned base just waiting for the pumpkin magic.

Step 5: Add Liquids and Cheese

Pour in the vegetable broth, scraping the bottom of the pan gently to release any browned bits—this adds complexity to your sauce. Stir in the pumpkin purée, Parmesan cheese, and half a cup of fontina cheese. Keep stirring until the cheese melts smoothly into the sauce, creating a creamy, slightly sweet, and savory coating for your pasta. Fold the cooked pasta into the sauce, ensuring every piece is luxuriously covered.

Step 6: Assemble and Bake

Transfer the rich pasta mixture into a greased 13×9-inch baking dish. Sprinkle the remaining fontina cheese evenly over the top, then scatter the buttery walnut-sage topping for crunch and aroma. Cover the dish loosely with foil and bake at 375ºF for 15 minutes. Remove the foil and bake for another 10 to 15 minutes to achieve a bubbly, golden top that signals it’s ready to serve.

How to Serve Pumpkin Tomato Pasta Bake with Walnut-Sage Topping Recipe

A white speckled shallow bowl holds a rich pasta dish with two main layers. The base layer is short, tube-shaped pasta with ridges, showing a warm orange color from tomato sauce. Above the pasta, there are cooked mushroom slices, wilted dark green leafy spinach, and melted white cheese creating a soft uneven texture. The dish is sprinkled with small white cheese bits and red chili flakes on top. A silver fork rests inside the bowl, holding some pasta tubes. The bowl is placed on a white marbled surface with a small bowl of grated cheese and a white cloth nearby. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

To make your presentation pop, add a few fresh sage leaves or chopped walnuts on top after baking. A quick drizzle of good quality extra-virgin olive oil and a light sprinkle of freshly grated Parmesan can add an elegant touch and extra richness. These simple garnishes highlight the best flavors while giving your dish a fresh and inviting look.

Side Dishes

This pasta bake is hearty on its own but pairs delightfully with crisp green salads like arugula with lemon vinaigrette, or roasted seasonal veggies such as Brussels sprouts or butternut squash. For a friendlier crunch, garlic bread or crusty artisan rolls are fantastic for mopping up every last bite of that luscious sauce.

Creative Ways to Present

For a cozy dinner party, serve individual portions in small ramekins topped with a bit of the walnut-sage crumble for a charming single-serving presentation. Alternatively, scoop generous mounds onto colorful plates and garnish with edible flowers or microgreens for a pop of vibrancy. This makes the Pumpkin Tomato Pasta Bake with Walnut-Sage Topping Recipe not only delicious but visually unforgettable.

Make Ahead and Storage

Storing Leftovers

Leftover pasta bake keeps well in the refrigerator for up to 3 days. Be sure to transfer it to an airtight container to maintain freshness and prevent any unwanted moisture loss or flavors mingling with other foods. This makes it an excellent option for weekday lunches or quick dinners.

Freezing

You can freeze this pasta bake after it has completely cooled. Place portions in freezer-safe containers or wrap the entire dish tightly in plastic wrap and foil. For best quality, consume within 2 months. When you’re ready, thaw overnight in the fridge before reheating to preserve its creamy texture and fresh-tasting topping.

Reheating

Reheat leftovers gently in the oven at 350ºF, covered with foil to prevent the pasta from drying out. Heat for about 20 minutes or until warmed through. If you’re in a rush, microwave portions covered loosely in a microwave-safe dish, stirring halfway to warm evenly. Add a sprinkle of water or broth if the sauce seems too thick upon reheating.

FAQs

Can I use canned pumpkin or fresh pumpkin purée?

Using canned pumpkin purée is perfect for this recipe because it’s smooth and consistent in flavor. If you prefer fresh pumpkin, roast it until soft, then puree it until silky smooth to match the canned texture. Just make sure it’s not pumpkin pie filling, which contains added spices and sugar.

What pasta shape works best for this bake?

Tubular or twisted pasta shapes such as mezzi rigatoni, shells, ziti, fusilli, or farfalle are ideal because their grooves and curves catch the sauce beautifully. However, feel free to use your favorite type; the key is to cook it just shy of al dente so it holds up in the bake.

Is this recipe vegetarian or can it be made vegan?

This recipe is vegetarian, but not vegan due to the use of butter, Parmesan, and fontina cheeses. To make it vegan, substitute plant-based butter and cheese alternatives, and ensure your vegetable broth is vegan-friendly. The toasted walnut-sage topping will still add fantastic texture and aroma.

How spicy is the dish?

The crushed red pepper flakes add a gentle warmth, never overwhelming the palate. If you prefer, you can reduce the amount or omit it entirely for a kid-friendly version. The richness of the pumpkin and cheeses balance the subtle heat wonderfully.

Can I prepare the sauce in advance?

Absolutely! The sauce can be made a day ahead and refrigerated. When ready to bake, reheat the sauce gently, mix with the pasta, and assemble the bake as directed. Preparing ahead makes day-of cooking easier and the flavors even more melded.

Final Thoughts

If you’re craving a heartwarming meal that brings together the best of autumn’s flavors with the comforting charm of baked pasta, the Pumpkin Tomato Pasta Bake with Walnut-Sage Topping Recipe is your new go-to. Trust me, once you try this luscious, cheesy, and crispy dish, it will quickly become a beloved favorite in your recipe rotation. So gather your ingredients, invite your loved ones to the table, and dive into this delicious, cozy experience that’s as satisfying as a warm hug.