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    Home » Recipes » Low-Carb Keto Vegetable And Side Dish Recipes

    Whole Roasted Cauliflower (With Garlic Butter)

    Published: Feb 9, 2015· Modified: Apr 19, 2022· By Libby Jenkinson May contain affiliate links.

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    whole roasted cauliflower brushed with melted garlic butter
    whole fresh cauliflower
    whole roasted cauliflower on a blue plate
    A close up of roasted cauliflower
    A whole roasted cauliflower brushed with butter and herbs
    whole roasted cauliflower on a blue plate

    If you've ever struggled to make cauliflower taste delicious, you will absolutely love whole roasted cauliflower with garlic butter.

    Roasting cauliflower is such a nice change from mashed cauliflower.

    It can be served as a side dish with chicken, beef, turkey, or pork. You can also slice leftovers and fry them in a hot skillet.

    whole roasted cauliflower on a blue plate
    Whole roasted cauliflower with garlic butter.

    There are so many delicious recipes that use cauliflower - cauliflower bread, mashed cauliflower, cauliflower rice, and even cauliflower sushi!

    Jump to:
    • Is cauliflower keto or low-carb?
    • How to roast a whole cauliflower
    • More keto cauliflower recipes
    • 📖 Recipe
    • More keto side dishes
    • 💬 Comments

    Is cauliflower keto or low-carb?

    Cauliflower is a commonly used keto vegetable because it is extremely versatile, low in carbs, high in fiber, and can be used in a variety of dishes.

    Nutrition of cauliflower per cup (107g): 5.3 g total carbs, 2.1 g fiber, 3.2 g net carbs, 2.1 g protein, 0.3 g fat, 26 calories.

    cauliflower nutrition panel

    Nutritional values from cronometer.com

    How to roast a whole cauliflower

    An easy recipe for whole roasted cauliflower with butter, garlic and mustard. With minimal preparation, this has to be an incredibly simple addition to your Sunday roast.

    1: Make your garlic butter

    Melt your butter and mix with chopped fresh garlic (or crushed garlic), mustard, lemon, and parsley.

    Whole Roasted Cauliflower 1 | ditchthecarbs.com
    Quick garlic butter

    2: Prepare your whole cauliflower

    Break the large leaves from your head of cauliflower and place in a roasting tray, baking dish, or even cake tin.

    whole fresh cauliflower
    Beautiful fresh cauliflower should look bright and clean.

    3: Brush your cauliflower with garlic butter

    Using a pastry brush, work the garlic butter into all the folds of the cauliflower and make sure the entire surface is covered.

    whole roasted cauliflower brushed with melted garlic butter
    Whole cauliflower covered in garlic butter

    4: Bake and serve

    As it cooks, you can continue to baste/brush the whole caul with garlic butter to ensure it cooks to be soft and full of garlic flavour. Cut into 6 pieces or slice and serve.

    whole roasted cauliflower on a blue plate
    Whole roasted cauliflower with garlic and herbed butter

    More keto cauliflower recipes

    Cauliflower is such a versatile and nutritious vegetable. It can be used in so many ways instead of high carb side dishes when going low carb. Try these other cauliflower recipes.

    • Mashed cauliflower
    • Cauliflower rice
    • Broccoli and cauliflower bake
    • Cauliflower popcorn (yes, really!)

    Please leave a comment below and tell me how you like to serve cauliflower.

    📖 Recipe

    whole roasted cauliflower on a blue plate

    Whole Roasted Cauliflower Recipe (With Garlic Butter)

    Please rate this recipe.

    4.1 from 20 votes
    Servings: 6
    NET carbs: 3.3g
    Author: Libby Jenkinson
    Prep Time 5 minutes
    Cook Time 45 minutes
    Total Time 55 minutes
    Category: Dinner. Side Dish. Vegetables
    Diet: Diabetic. Gluten Free. Vegetarian
    Egg free. Gluten Free. Grain free. Keto. LCHF. Low Carb. No Sugars. Wheat Free
    Print
    Whole roast cauliflower with garlic butter can easily be jazzed up with garlic, mustard, chilli, bacon or even curry powder (just not all at once). 

    Recipe Video

    Calculate ingredients

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    Ingredients

    • 1 head cauliflower
    • 110 g (1 stick) butter melted
    • ¼ teaspoon mustard powder
    • 1 clove garlic minced crushed
    • 1 tablespoon lemon zest
    • 1 tablespoon dried parsley

    Instructions

    • Remove all the leaves and the bottom of the stem from the cauliflower so it will sit level in the baking dish.
    • Cut a deep cross into the stem so it cooks evenly.
    • Mix the melted butter with herbs, garlic, and mustard.
    • Place the prepared cauliflower in a baking dish and brush over the herb butter mixture.
    • Place in the oven to roast at 180C/350F and brush occasionally with the herbed butter as it cooks.
    • Test the centre with a knife or skewer to make sure it is cooked in the centre.
    © Copyright Ditch The Carbs
    Nutrition Facts
    Whole Roasted Cauliflower Recipe (With Garlic Butter)
    Serving Size
     
    1 serve
    Amount per Serving
    NET carbs
     
    3.3
    g
    Total Carbohydrates
     
    5.4
    g
    2
    %
    Fiber
     
    2.1
    g
    9
    %
    Sugar
     
    1.9
    g
    2
    %
    Protein
     
    2.2
    g
    4
    %
    Fat
     
    15.2
    g
    23
    %
    Sodium
     
    161.3
    mg
    7
    %
    Potassium
     
    306.1
    mg
    9
    %
    Vitamin A
     
    465.3
    IU
    9
    %
    Vitamin B1
     
    0.1
    mg
    7
    %
    Vitamin B6
     
    0.2
    mg
    10
    %
    Vitamin B12
     
    0.1
    µg
    2
    %
    Vitamin C
     
    48.1
    mg
    58
    %
    Vitamin D
     
    0.3
    µg
    2
    %
    Vitamin E
     
    0.5
    mg
    3
    %
    Vitamin K
     
    20.7
    µg
    20
    %
    Calcium
     
    31.1
    mg
    3
    %
    Folate
     
    56.2
    µg
    14
    %
    Iron
     
    0.5
    mg
    3
    %
    Magnesium
     
    16.7
    mg
    4
    %
    Selenium
     
    1.1
    µg
    2
    %
    Zinc
     
    0.3
    mg
    2
    %
    % Daily Value*
    -
    Calories
    158.3
    * Percent Daily Values are based on a 2000 calorie diet.

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    Approximate nutrition information is provided for convenience and as a courtesy only. For the most accurate nutritional data, use the actual ingredients and brands you used in your preferred nutrition calculator.

    More keto side dishes

    • Best low-carb and keto side dishes for pork
    • Best low-carb and keto side dishes for beef
    • Best low-carb and keto side dishes for chicken
    • Best low-carb and keto side dishes for salmon
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    Libby Jenkinson in her garden

    I'm Libby Jenkinson MPS. A registered pharmacist, Health Coach, Cert.Adv Nutrition, mother of 3 and founder of Ditch The Carbs and Low-Carb Practitioners.

    Learn more about me →

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    Reader Interactions

    Comments

    1. Rochelle

      October 18, 2021 at 5:25 pm

      5 stars
      This is my absolute go-to recipe when having a family Sunday roast. The garlic butter is superb and I LOVE the lemon and mustard.

      Reply
    2. Maria

      April 07, 2018 at 10:25 am

      So true Carol. I’m cooking the whole head of cauliflower from now on. Can’t wait to try it.

      Reply
    3. Christina

      August 21, 2017 at 3:24 pm

      I love roasting cauliflower whole. I wrap the cauli, leaves & all, in foil, place on a tray & bake. Once cooked, I serve straight from the tray drizzled with a little olive oil & seasoned with salt & pepper. Pretty plain, but tasty. I can't wait to try your version!

      Reply
    4. djnikkik

      November 19, 2016 at 10:31 pm

      This is a recipe that everyone needs to try, it tastes absolutely HEAVENLY! I've had roasted cauliflower before, but cut into florets and only with a little olive oil and garlic added. Your method of whole roasting is genius and your herb butter is AMAZING! Given the minimal ingredients and the ease of making it, I can't believe how beautiful this tastes with the herb butter, thank you for a great recipe 🙂

      Reply
      • Libby www.ditchthecarbs.com

        November 21, 2016 at 11:48 am

        Thank you, what a lovely review.

        Reply
    5. Judy

      May 29, 2016 at 9:48 pm

      We are going to put it in the kettle roaster. So looking forward to it! My husband isn't LCHF but he was the one who wanted to try it!

      Reply
    6. Hélène

      March 06, 2015 at 10:10 am

      Also I rly like cauliflower roasted as florettes with sliced onions (and maybe broccoli). Drizzle olive oil over and then salt & pepper to taste. Stir every so often till browned. Just a change of pace for those looking for more ideas.

      Reply
    7. Hélène

      March 06, 2015 at 10:05 am

      I made a roasted cauliflower today (with a tahini dip smeared all over it). I did it at 400F for an hour. It still wasnt rly done. Next time I will cut it in half and put it flat side down on a buttered or oiled pan to roast it. If ur interested here's the dip recipe:
      1/2c tahini
      1-2cl garlic, minced
      1/4-1/2tsp cumin
      1/2tsp salt (my tahini was unsalted)
      pepper to taste
      1/2 large lemon, zest and juice
      some olive oil to thin it -- optional, I didnt use it but next time I will
      It tasted incredibly like hummus! YAY a hummus substitute (i miss beans and bean dips lol)

      Reply
      • Libby www.ditchthecarbs.com

        March 06, 2015 at 10:09 am

        That sound delicious and thank you for posting your recipe Helene. 🙂

        Reply
    8. Nan

      February 10, 2015 at 4:23 am

      At what temperature do you roast this? Thanks

      Reply
      • Libby www.ditchthecarbs.com

        February 10, 2015 at 9:16 am

        180C (350F)

        Reply
    9. Connie Clausen

      February 10, 2015 at 3:08 am

      You don't say what temp to bake the whole cauliflower.

      Reply
    10. carol

      February 09, 2015 at 2:47 pm

      Thank you for this recipe. Now I have an easy way to use our head of cauliflower.

      Reply

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    I'm Libby Jenkinson, MPS. A registered pharmacist, Health Coach, Cert.Adv Nutrition, mother of 3 and founder of Ditch The Carbs and Low-Carb Practitioners. READ MORE→

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