Easy Creamy Cauliflower Alfredo

Featured in: One-Pot Comfort Bowls

This velvety pasta features a smooth cauliflower-based sauce that delivers rich Alfredo flavor without the heavy cream. The cauliflower, garlic, and onion blend into a luxurious coating that clings perfectly to fettuccine or linguine. Ready in just 40 minutes, this Italian-inspired main dish serves four and works beautifully for vegetarians or those seeking lighter comfort food options.

Updated on Wed, 21 Jan 2026 11:37:00 GMT
Creamy Easy Creamy Cauliflower Alfredo sauce coats fettuccine, topped with fresh parsley and extra Parmesan cheese. Pin it
Creamy Easy Creamy Cauliflower Alfredo sauce coats fettuccine, topped with fresh parsley and extra Parmesan cheese. | plumcrescent.com

I was standing in my kitchen, exhausted after a long week, when I remembered I had a head of cauliflower sitting in the crisper drawer. That random vegetable turned into the most surprisingly luxurious sauce I have ever made, and my skeptical roommate actually asked for seconds.

Last month I made this for a dinner party where two guests were lactose intolerant. I was nervous about serving a creamless pasta sauce, but they went back for third helpings and the entire dish disappeared before the garlic bread even hit the table.

Ingredients

  • 1 medium head cauliflower: Cutting into evenly sized florets ensures everything cooks at the same rate
  • 3 cloves garlic: Peel them before boiling so they mellow into the sauce rather than staying sharp
  • 1 small yellow onion: Rough chopping is fine since everything gets blended anyway
  • 2 tablespoons unsalted butter: This adds that restaurant-quality richness you cannot get from oil alone
  • 1/3 cup grated Parmesan cheese: The real stuff makes a huge difference here
  • 1/2 cup milk: Any variety works but whole milk gives the best texture
  • 350 g fettuccine or linguine: A wider pasta holds onto this sauce beautifully
  • 1 teaspoon salt: Start with this and adjust at the end
  • 1/2 teaspoon freshly ground black pepper: Freshly cracked is worth the extra effort
  • Pinch of ground nutmeg: The secret ingredient that makes people ask what is in this
  • Fresh parsley and extra Parmesan: For serving because presentation matters even on Tuesday nights

Instructions

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Get your vegetables tender:
Boil the cauliflower, garlic, and onion until a fork slips through the florets with zero resistance, about 8 to 10 minutes.
Blend it all together:
Transfer the cooked vegetables to your blender with the butter, Parmesan, milk, salt, pepper, and nutmeg, then puree until it looks like something from a fancy Italian restaurant.
Cook your pasta:
Drop your fettuccine into the boiling water and cook until it still has a slight bite to it.
Bring it together:
Reserve a cup of the starchy cooking water before draining, then toss the hot pasta with that gorgeous sauce until every strand is coated.
Taste and adjust:
Add more salt, pepper, or a splash of pasta water until it reaches the perfect consistency.
Serve it up:
Plate it immediately with a sprinkle of parsley and an extra dusting of Parmesan while it is still piping hot.
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Steaming Easy Creamy Cauliflower Alfredo pasta twirls on a fork with garlic and onion blended sauce. Pin it
Steaming Easy Creamy Cauliflower Alfredo pasta twirls on a fork with garlic and onion blended sauce. | plumcrescent.com

This recipe has saved me on countless weeknights when I wanted something comforting but did not want to derail my healthy eating habits. It is become one of those meals I can make with my eyes closed.

Making It Your Own

I have discovered that roasting the cauliflower instead of boiling it adds a subtle nutty depth that takes this dish to another level. You can also throw in some sautéed mushrooms or spinach if you want to bulk up the vegetables.

Storage And Reheating

The sauce actually tastes better the next day as the flavors have more time to meld together. Store it in an airtight container in the refrigerator for up to four days and reheat gently with a splash of milk.

Pairing Suggestions

A crisp white wine like Pinot Grigio cuts through the richness beautifully. If you want a complete meal, serve it alongside a simple green salad with a lemon vinaigrette.

  • Crusty bread for soaking up any extra sauce
  • Grilled chicken or shrimp if you want added protein
  • A light arugula salad to balance the creaminess
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Easy Creamy Cauliflower Alfredo plated with a golden sprinkle of Parmesan and a vibrant parsley garnish. Pin it
Easy Creamy Cauliflower Alfredo plated with a golden sprinkle of Parmesan and a vibrant parsley garnish. | plumcrescent.com

There is something deeply satisfying about serving a dish that tastes indulgent but is secretly wholesome. Hope this becomes a weeknight staple in your kitchen too.

Recipe Questions & Answers

What makes this Alfredo sauce creamy without cream?

The cauliflower florets break down completely when blended with butter, Parmesan, and milk, creating a silky smooth sauce that mimics traditional Alfredo texture without heavy cream.

Can I make this dish vegan?

Yes. Substitute plant-based milk for dairy milk, use vegan butter instead of regular butter, and replace Parmesan with nutritional yeast or vegan cheese alternative.

What pasta shapes work best?

Fettuccine and linguine are ideal because their flat surfaces hold the sauce well, but penne, rigatoni, or gemelli also work nicely for catching the creamy coating.

How do I store leftovers?

Store in an airtight container in the refrigerator for up to 3 days. Reheat gently with a splash of milk or water to restore creaminess, as the sauce thickens when chilled.

Can I add protein to this dish?

Grilled chicken, sautéed shrimp, or white beans complement the flavors beautifully. Add your protein of choice during the final toss so everything stays warm.

What vegetables can I add?

Sautéed mushrooms, steamed broccoli, roasted cherry tomatoes, or fresh spinach fold in easily. Add them during the final toss with the sauce for even distribution.

Easy Creamy Cauliflower Alfredo

Light and velvety pasta with a creamy no-cream cauliflower sauce for guilt-free comfort food.

Prep time
15 minutes
Time to cook
25 minutes
Overall time
40 minutes
Created by Avery Hayes

Recipe type One-Pot Comfort Bowls

Skill level Easy

Cuisine type Italian-inspired

Total made 4 Portions

Dietary details Vegetarian-friendly

Ingredient list

Vegetables

01 1 medium head cauliflower, cut into florets (about 1.5 pounds)
02 3 cloves garlic, peeled
03 1 small yellow onion, chopped

Dairy & Alternatives

01 2 tablespoons unsalted butter
02 1/3 cup grated Parmesan cheese, plus extra for serving
03 1/2 cup milk (dairy or unsweetened plant-based)

Pasta

01 12 ounces fettuccine or linguine

Seasonings

01 1 teaspoon salt, plus more to taste
02 1/2 teaspoon freshly ground black pepper
03 Pinch of ground nutmeg (optional)

Garnishes

01 Fresh parsley, chopped (optional)
02 Extra Parmesan cheese (optional)

How-to

Step 01

Boil Vegetables: Bring a large pot of salted water to a boil. Add cauliflower florets, garlic, and chopped onion. Cook for 8–10 minutes until cauliflower is very tender.

Step 02

Transfer Vegetables: Using a slotted spoon, transfer the cooked vegetables to a blender.

Step 03

Blend Sauce: Add butter, Parmesan cheese, milk, salt, pepper, and nutmeg (if using) to the blender. Blend until completely smooth and creamy. Add a splash of cooking water if needed to reach desired consistency.

Step 04

Cook Pasta: In the same pot, cook pasta according to package instructions until al dente. Reserve 1 cup of pasta water, then drain.

Step 05

Combine Pasta and Sauce: Return drained pasta to the pot. Pour over the cauliflower Alfredo sauce and toss well to coat, adding reserved pasta water as needed for creaminess.

Step 06

Season and Serve: Taste and adjust seasoning. Serve hot, garnished with fresh parsley and extra Parmesan if desired.

Tools Needed

  • Large pot
  • Slotted spoon
  • Blender or food processor
  • Colander
  • Wooden spoon

Allergy warnings

Review all ingredients for allergy risks and speak with your healthcare provider if you're concerned.
  • Contains dairy and wheat (from pasta)
  • For gluten-free preparation, use gluten-free pasta
  • For dairy-free preparation, use plant-based alternatives

Nutrition details (per portion)

These details are for reference and shouldn't replace healthcare advice.
  • Calorie count: 350
  • Fat content: 9 grams
  • Carbohydrates: 55 grams
  • Proteins: 13 grams