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Creamy Red Pepper Alfredo Pasta

This deliciously thick and creamy homemade red pepper alfredo pasta is surprisingly simple to make.

Creamy Red Pepper Alfredo Pasta

I make a variation of this creamy pasta dish at least once a month.

The sauce is a wonderful addition to everything – pasta, vegetables, garlic bread, or even served in a bowl as a rich and creamy soup.

It’s also great over spaghetti squash if you want to save calories – See: How To Cook Spaghetti Squash.

No oil

No dairy

Just 8 ingredients

Red Pepper Alfredo Pasta

This magically thick alfredo also has NO HEAVY CREAM.

Instead, the richness comes from heart-healthy cashews, one of my favorite versatile plant-based ingredients.

They can be used in both sweet and savory recipes to produce incredible creaminess even without any heavy cream or dairy.

*If you prefer a nut-free pasta recipe, be sure to check out my Creamy Spinach Tomato Pasta, or also this Cauliflower Mac And Cheese.

pasta ingredients
Vitamix Alfredo Sauce Recipe

This sauce comes together really easily.

Just throw the ingredients into a blender and process until smooth.

You can heat the sauce while making your pasta, so everything can be done and ready to eat at the same time.

Also Try These Buffalo Cauliflower Wings – 6 Ingredients

Easy 6 Ingredient Red Pepper Pasta Sauce

Italian that I am, pasta is one of my favorite foods.

When I first became a vegan at the young age of 14, my Italian grandmother panicked and told me I was crazy.

Then she thought about it for a minute and asked…

“Can you still eat pasta?”

When I assured her that, yes, I could definitely still eat pasta as a vegan, she let out a giant sigh of relief and said, “Oh, in that case, no problem!”

Easy 6 Ingredient Creamy Red Pepper Alfredo Sauce Recipe
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Creamy Red Pepper Alfredo Pasta

A healthy plant-based creamy alfredo recipe with no heavy cream.
4.94/5 (31)
Total Time 10 minutes
Yield 5 servings


  • 1 red bell pepper, raw or roasted
  • 1/2 cup water
  • 1/2 cup raw cashews or macadamias
  • 1/4 cup nutritional yeast or Parmesan cheese, such as vegan parma
  • 1 tsp salt
  • 1/4 tsp onion powder
  • 1/4 tsp ground turmeric
  • 1/8 tsp ground nutmeg, optional
  • 10 oz pasta or spaghetti squash or vegetables
  • optional grilled or roasted veggies, beans, etc.


  • Place the nuts in a cereal bowl, cover with water, and let sit 6-8 hours. Drain fully, and pat dry. Blend all ingredients (including 1/2 cup water) except pasta and optional veggies in a food processor or high-powered blender until completely smooth. Heat sauce in a pot until desired temperature is reached while cooking pasta in salted water according to package directions in a separate pot. Drain pasta fully, but do not rinse. Pour the sauce over the pasta, season with salt and pepper as desired, and stir in cooked vegetables, beans, or other add-ins if desired.
    *If you increase the water to 1 cup, the sauce also makes a really nice and creamy soup.
    View Nutrition Facts


Also be sure to try this Cauliflower Alfredo Sauce.

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4.94/5 (31)

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Published on January 2, 2020

Meet Katie

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  1. Selene Strong says

    Wow, great post! Vegan pasta is an amazing, healthy recipe. This sounds delicious, definitely a great post workout meal. Thanks for posting!

  2. Juliana says

    Yum! I know I can always count on your blog for great vegan sauces. This stuff is addictive and goes great with roasted broccoli. Thanks Katie!

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