Roasting pumpkin and turning it into a creamy sauce feels like an act of seasonal rebellion. It’s the kind of dish that elevates a simple pasta into something special, especially when you want to celebrate the flavors of fall. Plus, it’s a sneaky way to get a vegetable into your comfort food rotation.
Why I Keep Making It Again and Again
This dish is a cozy reminder of autumn’s simple pleasures. The smoky pumpkin aroma, combined with creamy richness, makes every bite feel like a warm hug. It’s versatile enough to serve with a side salad or a slice of crusty bread, which makes it my go-to when I want comfort without fuss.
Breaking Down the Pumpkin Alfredo
- Sugar pumpkin: I love using smaller, sweeter pumpkins for a more concentrated flavor, but butternut squash works in a pinch.: Rich, slightly sweet flesh that roasts into a smoky, caramelized base.
- Heavy cream: It’s the backbone of the sauce, adding richness, but coconut cream can work for dairy-free.: Velvety and indulgent, it balances the pumpkin’s sweetness.
- Parmesan cheese: I prefer a sharp, aged variety for depth, but Pecorino adds a tangy twist.: Salty, umami-packed cheese that melts into the sauce.
- Garlic: Use fresh cloves for a pungent, aromatic punch that cuts through the richness.: Smells like comfort—garlic should be fragrant and slightly toasted.
- Fresh herbs: Sage or thyme are perfect, but parsley adds a vibrant, fresh note.: Herbs bring brightness and a fragrant lift to the dish.
Tools & Equipment You’ll Need
- Baking sheet: To roast the pumpkin evenly.
- Blender or immersion blender: To make a smooth, velvety sauce.
- Large pot: To cook the pasta.
- Large skillet: To toss the pasta with the sauce.
- Wooden spoon or spatula: For stirring and mixing.
Step-by-Step Guide to Pumpkin Alfredo
Step 1: Start by roasting a small sugar pumpkin at 200°C (400°F) for about 40 minutes until the flesh is soft and caramelized.
Step 2: While pumpkin roasts, cook 400g of fettuccine in boiling salted water until just al dente, about 10 minutes.
Step 3: In a blender, combine the roasted pumpkin flesh, 1 cup of heavy cream, 2 cloves of garlic, a pinch of nutmeg, and salt to taste. Blend until smooth.
Step 4: Sauté 2 tablespoons of butter in a large pan over medium heat until melted and slightly bubbly.
Step 5: Pour the pumpkin sauce into the pan, warm gently on low heat, and stir in ½ cup grated Parmesan cheese until silky.
Step 6: Drain pasta, reserving a cup of cooking water. Toss the pasta in the sauce, adding a splash of water if needed to loosen.
Step 7: Finish with a sprinkle of fresh sage or thyme, and a crack of black pepper. Serve immediately.
Cooking Checkpoints & Tips
- Pumpkin should be caramelized and soft, ready to blend into a smooth sauce.
- Pasta must be just al dente, with a good bite but not chewy.
- Sauce should be silky and slightly thickened, not watery or clumpy.
- Finish with cheese off-heat to prevent clumping and preserve flavor.
Common Pitfalls & How to Fix Them
- Sauce is too gloopy or stiff.? If sauce is too thick, stir in a splash of reserved pasta water or cream.
- Pumpkin flesh still watery or bland.? If pumpkin isn’t caramelized enough, roast for an additional 10 minutes.
- Pasta turns mushy.? Overcooked pasta? Rinse immediately and toss with hot sauce to reheat gently.
- Clumpy cheese in sauce.? If cheese clumps, add cheese off heat and stir rapidly.

Roasted Pumpkin Alfredo
Ingredients
Equipment
Method
- Preheat your oven to 200°C (400°F). Cut the pumpkin in half, scoop out the seeds, and place it cut-side down on a baking sheet. Roast for about 40 minutes until the flesh is soft and caramelized, filling your kitchen with a sweet, smoky aroma.

- While the pumpkin roasts, bring a large pot of salted water to a boil. Add the pasta and cook until just al dente, about 10 minutes. Drain and set aside.

- Once the pumpkin is cool enough to handle, scoop out the flesh and transfer it to a blender. Add the heavy cream, minced garlic, a pinch of salt, and a dash of nutmeg if desired. Blend until the sauce is smooth and velvety.

- In a large skillet, melt the butter over medium heat. Once melted and fragrant, pour in the pumpkin sauce and warm gently, stirring occasionally.

- Add the grated Parmesan cheese to the sauce, stirring until it melts into a silky, cohesive mixture. Adjust seasoning with salt and black pepper to taste.

- Transfer the cooked pasta to the skillet with the sauce. Toss gently to coat all the noodles evenly, adding a splash of reserved pasta water if the sauce seems too thick.

- Finish by sprinkling freshly chopped sage or thyme over the pasta. Give everything a final gentle toss, and let the flavors meld for a minute or two.

- Serve immediately, garnished with extra herbs and a crack of black pepper. Enjoy the creamy, smoky richness of this seasonal pumpkin Alfredo.

Notes

Hi, I’m Hannah Reynolds, the heart behind Seasoning Therapist. I believe food can comfort, restore, and gently reset us after a long day. I started Seasoning Therapist with one simple idea in mind: cooking is not just about feeding the body, it is about caring for the mind too. The right seasoning can change the mood of a dish, and sometimes even the mood of the person eating it. This blog is where I combine my love for thoughtful cooking with my belief that the kitchen can be a place of healing.

