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Zucchini noodles with creamy Cauliflower Alfredo Sauce, garnished with parsley and Parmesan.

Cauliflower Alfredo Sauce with Zucchini Noodles

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This creamy Cauliflower Alfredo Sauce with Zucchini Noodles is a low-carb, gluten-free twist on classic Alfredo. Made with fresh cauliflower, garlic, Parmesan, and a touch of cream, it’s rich, flavorful, and packed with nutrients. Perfect for keto, vegan (with substitutions), or anyone craving a lighter pasta alternative. Ready in under 30 minutes!

  • Total Time: 25 minutes
  • Yield: 4 servings 1x

Ingredients

Scale
  • 1 medium head of cauliflower, cut into florets
  • 3 cloves garlic, minced
  • 1 cup vegetable broth (or chicken broth)
  • ½ cup grated Parmesan cheese (or nutritional yeast for vegan option)
  • ¼ cup heavy cream (or coconut milk for dairy-free)
  • 2 tbsp butter (or olive oil)
  • Salt and black pepper to taste
  • 2 medium zucchinis, spiralized into noodles
  • Fresh parsley and extra Parmesan for garnish

Instructions

  1. Prepare the cauliflower by cutting into small florets for quicker cooking.
  2. In a pot, simmer cauliflower and garlic in vegetable broth for 10-12 minutes until tender.
  3. Blend cooked cauliflower with butter, cream, and Parmesan until smooth. Adjust thickness with reserved broth.
  4. Spiralize zucchinis into noodles and lightly sauté for 2-3 minutes.
  5. Toss zucchini noodles with the creamy Cauliflower Alfredo Sauce and garnish with parsley and extra Parmesan.

Notes

  • For extra richness, add more cream or Parmesan.
  • Blend in cashews for a nutty flavor boost.
  • Make it vegan by using olive oil, coconut milk, and nutritional yeast.
  • Store sauce separately for up to 3 days; zucchini noodles are best fresh.
  • Prep Time: 10 minutes
  • Cook Time: 15 minutes
  • Category: Main Course
  • Method: Blended, Sautéed
  • Cuisine: Italian-Inspired
  • Diet: Gluten-Free, Low-Carb, Vegetarian

Nutrition

  • Serving Size: 1 cup sauce + zucchini noodles
  • Calories: 180 Kcal
  • Sugar: 6g
  • Sodium: 420mg
  • Fat: 12g
  • Saturated Fat: 7g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 12g
  • Fiber: 4g
  • Protein: 8g
  • Cholesterol: 30mg