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Butternut Squash Pasta Sauce Recipe


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4.2 from 9 reviews

  • Author: Sara
  • Total Time: 40 minutes
  • Yield: 6 servings
  • Diet: Vegetarian

Description

A creamy and flavorful butternut squash pasta sauce made by roasting butternut squash, tomatoes, and onions, then blending them with reserved pasta water to create a smooth, comforting sauce. This easy recipe delivers a perfect autumn-inspired dish in just 40 minutes, ideal for a cozy weeknight dinner.


Ingredients

Vegetables

  • 16 oz bag of frozen diced butternut squash
  • 1.5 cups fresh chopped tomatoes
  • 1/2 yellow onion, sliced

Seasonings & Oils

  • 2 tbsp olive oil
  • 1 tsp salt
  • 1/4 tsp black pepper
  • 1/2 tsp dried thyme

Pasta

  • 1 lb pasta (any preferred type)
  • 1/3 cup reserved pasta water from cooked pasta

Toppings (optional)

  • Parmesan cheese or plant-based parmesan for serving


Instructions

  1. Preheat Oven: Preheat your oven to 450°F (232°C) and line a baking sheet with parchment paper to prepare for roasting the vegetables.
  2. Prepare Vegetables: Place the frozen diced butternut squash, fresh chopped tomatoes, and sliced yellow onion evenly on the prepared baking sheet.
  3. Season and Oil: Drizzle the olive oil over the vegetables. Sprinkle salt, black pepper, and dried thyme evenly atop to season.
  4. Mix Vegetables: Toss the vegetables gently on the baking sheet to ensure they are fully coated with the olive oil and seasonings for even roasting.
  5. Roast Vegetables: Bake in the preheated oven at 450°F for 20 minutes, until the vegetables are tender and slightly caramelized.
  6. Cook Pasta: While the vegetables roast, cook your pasta according to package instructions until al dente.
  7. Reserve Pasta Water: Before draining the pasta, measure and reserve 1/3 cup of the pasta cooking water and set it aside for blending.
  8. Blend Sauce: Immediately transfer the hot roasted vegetables to a blender. Add the reserved pasta water and blend until you achieve a smooth, creamy sauce texture.
  9. Toss Pasta: Pour the blended butternut squash sauce over the drained pasta and toss well to coat every strand evenly.
  10. Serve: Serve the pasta hot, topped with grated Parmesan cheese or plant-based parmesan as desired. Enjoy your comforting butternut squash pasta!

Notes

  • Using frozen butternut squash saves prep time while still delivering good flavor.
  • Adjust seasoning to taste before blending if needed.
  • Use pasta water gradually to control sauce consistency.
  • For a vegan option, substitute parmesan with plant-based cheese or nutritional yeast.
  • This sauce pairs well with any short or long pasta shapes.
  • Leftover sauce can be refrigerated in an airtight container for up to 3 days.
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Sauce
  • Method: Baking
  • Cuisine: Italian