Creamy Pumpkin Pasta Sauce

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This creamy pumpkin pasta sauce is the ultimate fall recipe: savory, cozy, and made with wholesome ingredients like roasted pumpkin, leeks, and fresh herbs. It’s vegan, dairy-free, gluten-free, and perfect for pasta, lasagna, gnocchi, or even meatballs. A creamy pumpkin sauce that fits every healthy pumpkin recipe craving during pumpkin season!

A blender filled with thick, creamy yellow-orange pumpkin sauce sits on a white hexagon-tiled surface. Above, text reads “Creamy Pumpkin Pasta Sauce.”.

Creamy Pumpkin Pasta Sauce

As a nutrition consultant and chef, I’m always on the lookout for ways to bring more seasonal flavor into healthy cooking, without relying on cream, cheese, or anything that makes you feel heavy afterward. Every fall, when pumpkin season rolls around, I get inspired by all things pumpkin. But rather than turning it into something sweet (which, let’s be honest, we all have plenty of), I love creating savory pumpkin recipes that highlight its earthy richness and natural creaminess.

This creamy pumpkin pasta sauce came to life one cozy October afternoon in my kitchen in Colorado. My husband and I were enjoying the evening with our dog curled up by the window, and had a craving for good pasta. I had some leftover roasted pumpkin and decided to whip up a pumpkin sauce for pasta. We were craving something creamy and comforting, but light enough that I could enjoy it for lunch and still feel energized afterward. The result? A velvety sauce that’s both indulgent and nourishing.

I first made it to toss with gluten-free pasta, but since then, I’ve spooned it over everything from baked lasagna sheets to roasted meatballs, sautéed gnocchi, and even used it as a base for Thanksgiving casseroles. It’s that versatile. This creamy pumpkin pasta sauce is completely dairy-free, vegan, and paleo-friendly.

Why You’ll Love This Recipe

  • It’s a creamy, comforting fall recipe without any cream or cheese.
  • It’s incredibly versatile, perfect for pasta, lasagna, gnocchi, or even as a meatball sauce.
  • It uses simple, wholesome ingredients that make it both nourishing and satisfying.
  • It’s easy to make, comes together in under 30 minutes, and can be prepped ahead for busy weeknights.
  • It’s one of those healthy pumpkin recipes that feels like a treat but keeps you feeling great afterward.

Ingredients for Creamy Pumpkin Pasta Sauce

  • Roasted pumpkin – Roasting brings out the pumpkin’s natural sweetness and adds a deeper, caramelized flavor to the sauce. I always use homemade roasted pumpkin puree instead of canned when I can; it makes such a difference in both taste and texture.
  • Leek – I love using leeks (such an underrated vegetable in the US) instead of onions because they add a subtle, delicate sweetness that complements pumpkin beautifully. They also blend smoothly into the sauce, adding a creamy finish.
  • Garlic – Essential for building depth and that savory note we all crave in a good pasta sauce. I sauté it just until golden to keep its flavor mellow, not sharp.
  • Sage and thyme – These two herbs are my fall kitchen staples. Sage gives that nostalgic Thanksgiving aroma, and thyme brings a gentle freshness that rounds out the sauce.
  • Nutritional yeast – This is my go-to for adding that umami “cheesy” flavor without dairy. It makes the sauce rich and savory, balancing the natural sweetness of pumpkin.
  • Olive oil and bone broth or vegetable broth – Olive oil helps everything blend smoothly while adding a bit of body, and broth keeps the sauce light but still creamy.

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Did you know?

Pumpkin isn’t technically a vegetable, it’s a fruit! Botanically speaking, anything that contains seeds is classified as a fruit. That means every time you dig into a savory pumpkin soup or a creamy pumpkin pasta sauce, you’re actually eating fruit for dinner.

How to Make Creamy Pumpkin Pasta Sauce

  • Roast the pumpkin at 400°F for 50 minutes or until golden and fork-tender.
  • Meanwhile, in a large skillet, I sauté the sliced leeks in olive oil until soft and slightly caramelized.
  • Add minced garlic, black pepper, red pepper flakes, sage, and thyme.
  • Once everything is fragrant, transfer it to a blender along with the roasted pumpkin, nutritional yeast, and a bit of warm vegetable broth or water. Add a bit of lemon juice or apple cider vinegar at the end to balance teh flavor.

Ingredient Substitutions

  • Pumpkin: You can use butternut squash or kabocha squash for a similar creamy texture and slightly different sweetness.
  • Leek: Swap for shallots or yellow onion if that’s what you have on hand.
  • Olive oil: Coconut oil, ghee or avocado oil all work beautifully.
  • Nutritional yeast: If you’re not vegan, a bit of grated Parmesan can be used for that savory note.
  • Vegetable broth: Chicken broth works well if you’re not keeping it vegan.

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Chef Angie’s Tips

  • You can add some plain Greek yogurt or heavy cream for extra creaminess.
  • Don’t skip the blending! A high-speed blender makes the sauce silky smooth and restaurant-quality.
  • If you love spice, add a pinch of chili flakes or smoked paprika to give it a little heat.
  • Double the batch, you’ll thank yourself later. This sauce freezes perfectly and can transform a quick weeknight meal.

Ways to Serve

Storage

Store leftovers in an airtight container in the fridge for up to 4 days. It reheats beautifully on the stove with a splash of broth or water. You can also freeze it in portions for up to 3 months, just thaw overnight in the fridge before reheating.

Equipment

A plate of spaghetti coated in a creamy yellow sauce, garnished with fresh herbs and grated cheese, sits on a white plate with a fork. Pumpkins and another plate of pasta are blurred in the background.

FAQ

Can I use canned pumpkin puree?

Yes, you can! Just make sure it’s 100% pure pumpkin, not pumpkin pie filling.

Is this sauce good for meal prep?

Absolutely. It’s perfect for meal prep, store it in an airtight container and reheat it whenever you need a quick dinner.

Can I make this without leeks?

Of course. Use an onion or a shallot instead. But leeks give that umami flavor.

Can I make it spicy?

Yes! Add chili flakes, cayenne, or even a splash of hot sauce for a little kick.

Does this sauce work for Thanksgiving?

It’s perfect for Thanksgiving! Use it as a sauce for roasted vegetables, as a base for casseroles, or as a drizzle over roasted turkey.

If you love cozy fall recipes that are easy to make and full of flavor, you’ll want to add It’s creamy pumpkin pasta sauce to your rotation. Try it this week and tag me when you make it, I’d love to see your twist on it!

Pin it for later, share it with a pumpkin-loving friend, or save it for your Thanksgiving menu. Because once you taste it, it’ll become your go-to savory pumpkin recipe every fall.

Creamy yellow soup or smoothie in a glass blender pitcher.

Creamy Pumpkin Pasta Sauce

This creamy pumpkin pasta sauce is the ultimate fall recipe: savory, cozy, and made with wholesome ingredients like roasted pumpkin, leeks, and fresh herbs. It's vegan, dairy-free, gluten-free, and perfect for pasta, lasagna, gnocchi, or even meatballs.
No ratings yet
Prep Time 6 minutes
Cook Time 30 minutes
Total Time 36 minutes
Course Condiment, Sauce
Cuisine Amercian
Servings 10
Calories 72 kcal

Ingredients
  

Instructions
 

  • Roast the pumpkin at 400°F for 50 minutes or until golden and fork-tender.
    2. Meanwhile, in a large skillet, I sauté the sliced leeks in olive oil until soft and slightly caramelized.
    3. Add minced garlic, black pepper, red pepper flakes, sage, and thyme.
    4. Once everything is fragrant, transfer it to a blender along with the roasted pumpkin, nutritional yeast, and a bit of warm bone broth or vegetable broth water.
    5. Add a bit of lemon juice or apple cider vinegar at the end to balance the flavor.

Nutrition

Calories: 72kcalCarbohydrates: 9gProtein: 3gFat: 3gSaturated Fat: 1gPolyunsaturated Fat: 0.3gMonounsaturated Fat: 2gSodium: 141mgPotassium: 212mgFiber: 3gSugar: 3gVitamin A: 11669IUVitamin C: 7mgCalcium: 41mgIron: 2mg
Keyword Creamy Pumpkin Pasta Sauce
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