Creamy Cauliflower Alfredo Pasta

Highlighted under: Healthy & Light

I absolutely love making this Creamy Cauliflower Alfredo Pasta on busy weeknights. It’s quick to whip up and uses simple ingredients that I always have on hand. The best part? You get the indulgent taste of traditional Alfredo without all the calories! The cauliflower makes the sauce beautifully creamy while adding a lovely subtle flavor. My family can never get enough of this dish, and I love serving it with a sprinkle of fresh herbs on top for that extra touch. It’s truly comfort food at its finest.

Stella Cameron

Created by

Stella Cameron

Last updated on 2026-01-15T14:52:14.678Z

When I first experimented with this recipe, I was skeptical about using cauliflower as a base for my pasta sauce. After blending the cooked cauliflower with garlic and a touch of nutritional yeast, I was absolutely amazed at how creamy and flavorful it turned out. I remember thinking there was no way my family would accept it, but they devoured it!

One trick I discovered is to roast the cauliflower until it’s golden-brown before blending. This step adds a depth of flavor that elevates the dish. It’s small details like this that turn a simple recipe into something truly noteworthy. Now, it's a staple in our household!

Why You'll Love This Recipe

  • Rich, creamy texture that satisfies your pasta cravings
  • Healthier alternative to traditional Alfredo sauce
  • Quick and easy to prepare, perfect for busy weeknights

Perfecting Your Cauliflower Alfredo Sauce

When making the cauliflower Alfredo sauce, it’s essential to ensure that the cauliflower is steamed until perfectly tender, which usually takes about 10-12 minutes. If boiled, make sure to keep an eye on it to prevent overcooking, which can result in a mushy texture. You want the florets to break down easily in the blender while still retaining a slight bite. A high-speed blender works wonders here, ensuring that your sauce comes out silky smooth and eliminates any cauliflower lumps that could disrupt the creamy consistency.

The addition of nutritional yeast is what gives this sauce a cheesy flavor without any dairy. It’s a fantastic source of B vitamins and adds depth to the dish. If you don't have nutritional yeast, you could substitute it with parmesan cheese, but keep in mind that this will shift the recipe away from its dairy-free goals. Furthermore, consider increasing the amount of heavy cream or dairy-free alternative to balance out the substituted flavor, ensuring a creamy texture is maintained.

Storing and Reheating Tips

If you find yourself with leftovers, this Creamy Cauliflower Alfredo Pasta can be stored in an airtight container in the refrigerator for up to three days. The sauce might thicken as it sits, so when reheating, I recommend adding a splash of vegetable broth or water to loosen it up. Heat gently in a saucepan over low heat, stirring occasionally to prevent sticking, until warmed through. Avoid microwaving if possible, as it can unevenly heat the pasta and lead to a dry texture.

For those looking to meal prep, the cauliflower sauce can be made ahead of time and stored separately from the pasta. You can freeze the sauce in ice cube trays for easy portioning. Just thaw however many cubes you need overnight in the refrigerator and reheat gently. This way, you can enjoy the indulgent flavor of your Alfredo pasta on demand, without any last-minute fuss, while still keeping the dish fresh and delicious!

Serving Suggestions and Variations

This pasta is incredibly versatile; feel free to toss in some sautéed vegetables like spinach, mushrooms, or peas for added nutrition and flavor. Adding a protein such as grilled chicken or roasted chickpeas can also make it a more filling meal. To elevate the dish further, consider drizzling a bit of truffle oil on top right before serving—it adds a luxurious finish that pairs beautifully with the creamy cauliflower sauce.

For a more vibrant presentation, you can use fresh herbs as a garnish. I personally love using basil or chives for a fresh flavor kick. If you're feeling adventurous, try swapping out the fettuccine for whole wheat or lentil pasta. This not only adds fiber but also gives a nutty flavor to complement the creaminess of the sauce. Play around with the flavors to make this dish your own while maintaining that comforting essence!

Ingredients

For the Pasta

  • 8 oz fettuccine or your preferred pasta
  • Salt for the pasta water

For the Cauliflower Alfredo Sauce

  • 1 medium head of cauliflower, chopped
  • 2 cloves garlic, minced
  • 1 cup vegetable broth
  • 1/4 cup nutritional yeast
  • 1/4 cup heavy cream (or dairy-free alternative)
  • Salt and pepper to taste
  • Fresh parsley for garnish

Instructions

Cook the Pasta

Bring a large pot of salted water to a boil. Add the fettuccine and cook according to package instructions until al dente. Reserve 1/2 cup of pasta water, then drain the pasta and set aside.

Steam the Cauliflower

In a large pot, steam the chopped cauliflower for about 10-12 minutes until tender. You can also boil it if preferred.

Blend the Sauce

In a blender, combine the steamed cauliflower, minced garlic, vegetable broth, nutritional yeast, and heavy cream. Blend until completely smooth and creamy. Adjust seasoning with salt and pepper.

Combine Pasta and Sauce

In the pot used for the pasta, combine the drained pasta and cauliflower Alfredo sauce. Add reserved pasta water as needed to reach desired consistency.

Serve

Serve immediately, garnished with fresh parsley and additional nutritional yeast if desired.

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Pro Tips

  • For an extra kick of flavor, consider adding sautéed mushrooms or spinach to the pasta. You can also use a blend of different pasta types for a fun twist.

Troubleshooting the Sauce

If you find that your Alfredo sauce isn’t as creamy as you’d like, it’s likely due to the cauliflower being undercooked. Ensure you steam it until it’s very tender. To remedy a runny sauce, add a touch more nutritional yeast or let the sauce simmer on low heat to thicken slightly before combining it with the pasta. Always blend thoroughly; the smoother the blend, the creamier the outcome.

Another common issue is seasoning. The subtle flavor of cauliflower requires a good amount of salt and pepper to shine. Taste your sauce after blending and adjust accordingly. If it tastes flat, a squeeze of lemon juice can brighten it up, enhancing the overall flavor. Always remember, seasoning is key for balanced dishes!

Scaling the Recipe

This recipe is easily scalable; you can double or halve the ingredients based on your needs. If you're cooking for a larger group, increase the cauliflower and sauce accordingly while ensuring you keep the ratio of heavy cream and nutritional yeast consistent for the best flavor. Be cautious about adjusting the pasta; using fresh pasta instead can help maintain cooking integrity while ensuring everything cooks evenly.

If you're cooking for one or two, consider making the full batch of sauce and refrigerating or freezing the remainder. This means you can have quick meals on hand without additional prep next time, making it a win-win for those busier nights. Just remember that ingredients like fresh herbs should be added just before serving to maintain their flavor and texture.

Questions About Recipes

→ Can I use frozen cauliflower instead of fresh?

Yes, frozen cauliflower works just as well! Just be sure to thaw and drain any excess water before blending.

→ Is it possible to make this vegan?

Absolutely! Simply use a dairy-free heavy cream alternative and skip any cheese toppings.

→ Can I prepare the sauce ahead of time?

Yes, you can make the sauce ahead of time and store it in the fridge. Just reheat it on the stove before combining with the pasta.

→ What can I serve with this pasta?

This dish pairs well with a fresh green salad or steamed vegetables for a complete meal.

Creamy Cauliflower Alfredo Pasta

I absolutely love making this Creamy Cauliflower Alfredo Pasta on busy weeknights. It’s quick to whip up and uses simple ingredients that I always have on hand. The best part? You get the indulgent taste of traditional Alfredo without all the calories! The cauliflower makes the sauce beautifully creamy while adding a lovely subtle flavor. My family can never get enough of this dish, and I love serving it with a sprinkle of fresh herbs on top for that extra touch. It’s truly comfort food at its finest.

Prep Time10 minutes
Cooking Duration20 minutes
Overall Time30 minutes

Created by: Stella Cameron

Recipe Type: Healthy & Light

Skill Level: Easy

Final Quantity: 4 servings

What You'll Need

For the Pasta

  1. 8 oz fettuccine or your preferred pasta
  2. Salt for the pasta water

For the Cauliflower Alfredo Sauce

  1. 1 medium head of cauliflower, chopped
  2. 2 cloves garlic, minced
  3. 1 cup vegetable broth
  4. 1/4 cup nutritional yeast
  5. 1/4 cup heavy cream (or dairy-free alternative)
  6. Salt and pepper to taste
  7. Fresh parsley for garnish

How-To Steps

Step 01

Bring a large pot of salted water to a boil. Add the fettuccine and cook according to package instructions until al dente. Reserve 1/2 cup of pasta water, then drain the pasta and set aside.

Step 02

In a large pot, steam the chopped cauliflower for about 10-12 minutes until tender. You can also boil it if preferred.

Step 03

In a blender, combine the steamed cauliflower, minced garlic, vegetable broth, nutritional yeast, and heavy cream. Blend until completely smooth and creamy. Adjust seasoning with salt and pepper.

Step 04

In the pot used for the pasta, combine the drained pasta and cauliflower Alfredo sauce. Add reserved pasta water as needed to reach desired consistency.

Step 05

Serve immediately, garnished with fresh parsley and additional nutritional yeast if desired.

Extra Tips

  1. For an extra kick of flavor, consider adding sautéed mushrooms or spinach to the pasta. You can also use a blend of different pasta types for a fun twist.

Nutritional Breakdown (Per Serving)

  • Calories: 320 kcal
  • Total Fat: 10g
  • Saturated Fat: 3g
  • Cholesterol: 10mg
  • Sodium: 400mg
  • Total Carbohydrates: 45g
  • Dietary Fiber: 5g
  • Sugars: 4g
  • Protein: 8g