Make Creamy Pumpkin Pasta Sauce to spoon over spaghetti or to add a cozy fall twist to favorite dishes. This rich, alfredo-style sauce comes together in about 10 minutes, uses mostly pantry staples, and is low in carbs.
This simple pumpkin sauce gives an autumn makeover to dishes like lasagna and mac and cheese. It also works beautifully on flatbread pizza or as a base in casseroles.
The pumpkin flavor is subtle and kid-friendly—especially for fans of creamy pastas. I make a big batch each season because:
- It requires only a few ingredients.
- It takes about 10 minutes to prepare.
- You can make it ahead and freeze it.
- It’s low in carbs and adds nutrients from pumpkin.
- It’s versatile and replaces traditional cream or tomato sauces in many recipes.
Ingredients
Gather these ingredients to make a creamy pumpkin pasta sauce:
Notes on ingredients:
- Pumpkin Puree – The recipe uses part of a can. Double the batch to use a whole can or refrigerate the leftover for another use.
- Heavy Cream – Half-and-half or whole milk work as substitutes; lower-fat milks yield a thinner, less rich sauce.
- Olive Oil – Used to sauté garlic; butter can be substituted for a different flavor.
- Garlic – Fresh garlic is recommended. Shallot or minced onion can be used instead; if you use garlic powder, add a small amount and taste as you go.
- Nutmeg – Adds warmth; cinnamon can be used for a slightly different profile.
- Parmesan Cheese – Optional. Omit for dairy-free versions or increase for a cheesier pumpkin Alfredo.
The recipe card below includes exact ingredient amounts, step-by-step instructions, and nutrition information.
Variations
Dairy-free option: Use soy milk or another plant milk and omit the Parmesan, or substitute nutritional yeast for a savory, cheesy note.
Butternut squash alternative: Swap pumpkin puree for butternut squash puree for a milder, slightly sweeter sauce.
How to Make Creamy Pumpkin Pasta Sauce
Follow these simple steps:
- Warm olive oil in a medium saucepan over medium heat. Add minced garlic and sauté about 1 minute until fragrant.
- Whisk in pumpkin puree, heavy cream, nutmeg, salt, and pepper until smooth.
- Bring the mixture to just before boiling, then lower the heat and simmer 4–5 minutes, stirring occasionally, until it thickens slightly.
- Stir in Parmesan cheese, if using. If serving with pasta, cook the pasta while the sauce simmers.
Tip: The sauce is naturally rich and coats noodles well. To thin it, stir in reserved pasta water, broth, or a splash more cream until you reach the desired consistency.
Yield: about 2 cups. Serving suggestion: ⅓ cup per person as a sauce portion.
What Goes Well With Pumpkin Pasta Sauce?
Use this sauce anywhere you would use a traditional cream or tomato sauce. It’s excellent over high-protein or low-carb pastas, mixed with spiralized vegetables, or served alongside baked meatballs. It also adapts well to casseroles, lasagna layers, or as a sauce for roasted vegetables.
Low-Carb Pasta Options
If you’re watching carbs, pair the sauce with spaghetti squash, protein-based pastas, shirataki noodles, or other low-carb pasta alternatives.
Storage
You can make a large batch and freeze it for quick pumpkin-flavored dinners. If storing in glass jars, leave about ¾ inch headspace to allow for expansion. Mason jars should not have a lip if you plan to freeze them.
For best results, thaw in the refrigerator overnight before reheating. Rewarm gently over medium-low heat, stirring to recombine. Add a little pasta water, broth, or cream if the sauce needs thinning.
- Refrigerator: Keep in a covered container for 3–4 days.
- Freezer: Store in a covered container for up to 3 months.
Want more easy, healthy, carb-conscious recipes?
📋 Recipe
Creamy Pumpkin Pasta Sauce
Ingredients
- 1 Tablespoon Olive Oil unsalted
- 2 Garlic cloves pressed or minced
- 1 cup Pumpkin puree
- 1 cup Heavy Cream or half-and-half or whole milk
- ¼ teaspoon Ground nutmeg
- ¼ teaspoon Salt
- ¼ teaspoon Pepper
- 2 Tablespoons Parmesan cheese grated or shredded (optional)
Instructions
- Heat olive oil in a saucepan over medium heat. Add garlic and sauté about 1 minute.
- Add pumpkin puree, nutmeg, and cream to the pan and whisk to combine.
- Increase heat until the mixture is just about to boil, stirring occasionally.
- Reduce heat to low and simmer 4–5 minutes until the sauce begins to thicken.
- Stir in Parmesan if desired. Adjust thickness with pasta water, broth, or additional cream as needed.
- Serve over your favorite pasta, spiralized vegetables, or use in recipes that call for a creamy sauce.
Notes
Yield: About 2 cups. Serving size ≈ ⅓ cup.
Storage:
Refrigerator: Store in a covered container for 3–4 days.
Freezer: Freeze in a covered container for up to 3 months. Leave headspace in glass jars to allow for expansion.
When ready to use, thaw in the refrigerator overnight and reheat gently on the stovetop, stirring to recombine.
To thin: Add reserved pasta water, broth, or cream until the sauce reaches your preferred consistency.
Nutrition
This post was originally published on 9/25/14 and has been updated to improve the reader experience.