Easy Roasted Whole Cauliflower with Homemade Creamy Alfredo Sauce

If you love cauliflower, take it to the next level by roasting your cauliflower whole. Add in a creamy alfredo sauce made from scratch, and you have an incredible dish.

Roasted Whole Cauliflower Head with Homemade Alfredo Sauce

Have you tried to bake a whole cauliflower head yet?

Whole, not chopped up in pieces!

I had no idea how good a whole roasted cauliflower could be. I have seen them at restaurants, and skipped right over them when they were on the menu.

I feel pretty silly now because OMG this roasted cauliflower recipe is not only tasty, but roasted whole cauliflowers are so easy to make. They can even be a part of a sheet pan dinner! Toss on a pan and bake with your other dinner items!

Mr. Fearless Dining reports that this cauliflower with my easy four ingredient homemade alfredo sauce is restaurant quality…better than anything he has tried. (And yes, Mr. Fearless Dining is the one who ALWAYS orders the roasted whole cauliflower off the menu!)

Roasted Whole Cauliflower Head with Homemade Alfredo Sauce

Just in case you thought I was kidding about the one pan dinner idea, this is how I cooked this gem. Side by side with a roast wrapped in bacon! If you love the one-pan meal idea, this easy Blackberry Tarragon Chicken Dinner is another dinner recipe to try.

Roasted Whole Cauliflower Head with Homemade Alfredo Sauce

You can see the beautiful crust that bakes into this baked cauliflower head. It is perfect for holding sauces. I decided to make my kids’ favorite easy four ingredient Alfredo sauce to top this roasted cauliflower recipe. This cauliflower would make a beautiful side dish for entertaining.

Roasted Whole Cauliflower Head with Homemade Alfredo Sauce

If you haven’t made an alfredo sauce from scratch yet, you will LOVE how easy this is to make. This sauce is so good on pasta, vegetables, baked potatoes, anywhere you could put a sauce. This alfredo sauce is even delicious on gluten free pizza instead of a red sauce!!

Are you ready to give this easy homemade gluten free alfredo sauce recipe a try?

Homemade Alfredo Sauce

Saute olive oil and garlic.

Homemade Alfredo Sauce

Add heavy cream.

Homemade Alfredo Sauce

Add parmesan cheese. Simmer until it boils gently.

This is the ultimate sauce for all of your cooking!! If you LOVE cauliflower, you should also try this Turmeric Lime Cauliflower recipe. Even my kids love it.

Whole Roasted Cauliflower with Alfredo Sauce

Add in some sunflower seeds or pumpkin seeds and scallions and enjoy!

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Things You Need To Make This Recipe:

  1. A roasting pan is definitely a plus for roasting. You can get one big enough to include other foods too!
  2. Use a basting brush to spread the olive oil onto the cauliflower evenly.

How to Roast a Whole Cauliflower

Roasted Whole Cauliflower with Homemade Alfredo Sauce

Course: Side Dish
Cuisine: American
Prep Time: 7 minutes
Cook Time: 25 minutes
Total Time: 32 minutes
Servings: 2 people
Calories: 180 kcal
Author: Sandi Gaertner

Easy whole roasted cauliflower with four ingredient alfredo sauce.



  • 1 head cauliflower
  • 1 teaspoon olive oil
  • salt and pepper to taste
  • 1/2 cup heavy cream
  • 1 large garlic clove, minced or 2 small cloves
  • 1/2 cup heavy cream
  • 2 tablespoons parmesan cheese


  1. Preheat the oven to 375 degrees.

  2. Wash a cauliflower and cut off the leaves.

  3. Place in pan. Brush with olive oil, then sprinkle with salt and pepper.

  4. Bake for 30 minutes, or until golden.

  5. In a saucepan, add oil and garlic. Saute 2 minutes.

  6. Add heavy cream. Turn heat to low and simmer until it gently boils.

  7. Turn off heat and add parmesan cheese.

  8. Drizzle the sauce over the roasted cauliflower. Sprinkle with sunflower seeds and scallions. Eat hot.

More Yummy Gluten Free Recipes to Try!!





  1. I don’t know why I’ve never roasted a whole cauliflower before. I always chop it up. This looks amazing!

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