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Red Pepper Cashew Alfredo Sauce Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.7 from 125 reviews
  • Author: Julia
  • Prep Time: 10 minutes (excluding soaking time)
  • Cook Time: 15 minutes
  • Total Time: 25-30 minutes (including soaking time overnight)
  • Yield: 5 servings
  • Category: Sauce
  • Method: Stovetop
  • Cuisine: Italian-inspired
  • Diet: Low Fat

Description

A creamy, vibrant Red Pepper Alfredo Sauce made with roasted red bell pepper, cashews, and nutritional yeast (or Parmesan) that pairs perfectly with pasta, spaghetti squash, or veggies. This dairy-free sauce is blended to silky smoothness and warmed gently, making a delicious and healthy alternative to traditional Alfredo sauce.


Ingredients

Scale

Main Sauce Ingredients

  • 1 red bell pepper (raw or roasted)
  • 1/2 cup water
  • 1/2 cup raw cashews or macadamia nuts
  • 1/4 cup nutritional yeast or Parmesan cheese
  • 1 tsp salt
  • 2 tsp onion powder
  • 1/2 tsp ground turmeric
  • 1/8 tsp ground nutmeg (optional)

To Serve

  • 10 oz pasta or spaghetti squash or vegetables
  • Optional grilled or roasted veggies, beans, etc.


Instructions

  1. Soak Nuts: Place the raw cashews or macadamia nuts into a cereal bowl and cover them with water. Let them soak for 6-8 hours to soften, which will help create a smooth sauce. After soaking, drain fully and pat dry.
  2. Blend Sauce: In a food processor or high-speed blender, combine the soaked nuts, red bell pepper, 1/2 cup water, nutritional yeast or Parmesan, salt, onion powder, turmeric, and optional nutmeg. Blend until the mixture is completely smooth and creamy.
  3. Cook Pasta: Bring a large pot of salted water to a boil and cook the pasta according to the package directions until al dente. Alternatively, prepare the spaghetti squash or vegetables as preferred.
  4. Warm Sauce: Transfer the blended sauce to a pot and gently heat on the stove until warmed through, stirring occasionally to prevent sticking. Do not boil.
  5. Combine and Serve: Drain the cooked pasta fully without rinsing, then pour the warm Alfredo sauce over it. Stir in any optional grilled or roasted vegetables, beans, or other add-ins. Season with additional salt and pepper to taste. Serve immediately.

Notes

  • Soaking the nuts overnight results in the creamiest sauce texture.
  • You can use raw or roasted red bell pepper depending on your flavor preference.
  • For a dairy-free version, use nutritional yeast instead of Parmesan.
  • Spaghetti squash or steamed veggies can be used as a low-carb alternative to pasta.
  • Add herbs like basil or parsley for extra freshness.

Nutrition

  • Serving Size: 1/5 of recipe with pasta (about 1 cup sauce and 2 oz pasta)
  • Calories: 320
  • Sugar: 4g
  • Sodium: 500mg
  • Fat: 15g
  • Saturated Fat: 2.5g
  • Unsaturated Fat: 11g
  • Trans Fat: 0g
  • Carbohydrates: 35g
  • Fiber: 5g
  • Protein: 12g
  • Cholesterol: 0mg