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Butternut squash alfredo sauce on bucatini pasta with fresh thyme and black pepper.

Vegan Butternut Squash Alfredo Sauce

Angela Milnes
This vegan version of a traditional alfredo sauce will blow your mind! The secret ingredient? Butternut squash. It blends into an irresistable velvety cream sauce...
5 from 1 vote
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Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes
Course Pasta
Cuisine Italian
Servings 6 Servings
Calories 408 kcal

Ingredients
  

Alfredo Sauce

  • 1 ½ Cups Roasted Butternut Squash
  • ¾ Cup Softened Raw Cashews
  • 1 Shallot
  • 3 Cloves Garlic minced
  • 1 teaspoon Soy Sauce
  • 1 teaspoon Dried Thyme or 1 tablespoon fresh thyme leaves
  • 2-3 ladleS Pasta Water ¾ - 1 ½ cup, depending on your sauce and blender's power
  • ½ Lemon juiced
  • Salt to taste

Pasta

  • 1 lb Fettuccine bucatini, or spaghetti - whatever you can find
  • Pinch Salt and Pepper
  • 1 Teaspoon Olive Oil

Instructions
 

  • Peel butternut squash, remove ends and seeds, and cube. Toss with a tablespoon or two of grapeseed oil, a pinch of salt and pepper, and roast at 350 F for 45-60 mins, flipping halfway through. The squash should be soft like a potato when done, and ideally starting to brown for extra flavor. 
  • In a small saucepan, bring some water to a boil, then add cashews. Boil for 10-15 mins. If finished before everything else is ready, let cashews sit in the warm water. This is also a good time to start boiling pasta water in a stockpot with a tablespoon or two of salt. 
  • Thinly slice shallot, and mince garlic. Add to a frying pan with a tablespoon of cooking oil. Cook for 3-5 mins or until soft. When finished, scoop into blender and set aside pan. 
  • Once squash and cashews are ready, put all sauce ingredients into blender, and blend until smooth - 2-4 minutes in a high speed blender. Make sure all ingredients are warm, and use extra caution. 
  • When sauce and pasta are ready, add some sauce to your bowl with some pasta and toss gently with tongs. Top with some freshly ground black pepper and enjoy! 

Nutrition

Calories: 408kcalCarbohydrates: 64gProtein: 14gFat: 11gSaturated Fat: 2gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gTrans Fat: 0.05gCholesterol: 64mgSodium: 76mgPotassium: 438mgFiber: 4gSugar: 4gVitamin A: 3774IUVitamin C: 8mgCalcium: 57mgIron: 3mg
Keyword butternut squash alfredo, butternut squash alfredo sauce, butternut squash cheese sauce, butternut squash pasta
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