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    Home » Side Dishes

    Keto Brussels Casserole

    Published: Dec 18, 2018 · Updated: Dec 17, 2022 by Angela Coleby · This post may contain affiliate links · This blog generates income via ads ·

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    Gluten FreeEgg FreeLow CarbVegetarianKeto

    This keto brussel sprouts casserole has the added crunch of walnuts making it a delicious low carb side dish. A great way to enjoy brussel sprouts too.

    The flourless cheese sauce of this brussels sprouts casserole ensures that this dish is gluten free as well as low carb. A perfect low carb side for the holidays or a Sunday lunch.

    brussels sprouts casserole

    I was surprised how much we loved this brussel sprouts gratin dish.  We are not normally the biggest fans of brussel sprouts but this dish had us going in for a second helping.   The Chief Taster even took the leftovers in for lunch the next day.

    This post may contain affiliate links. Please read my disclosure policy for more information.

    Jump to:
    • Are brussel sprouts ketogenic?
    • How to cook brussel sprouts
    • The ingredients
    • How to make keto brussels sprouts gratin
    • Recipe Tips
    • Storage
    • More Low Carb Side Recipes
    • Keto Brussels Sprouts Cassserole

    Are brussel sprouts ketogenic?

    These little green mini cabbages are a great keto vegetables with 5g net carbs per 100g serving. High in fiber and vitamin C and K they are a healthy choice for any diet.

    How to cook brussel sprouts

    How many of you were brought up on boiled soggy brussel sprouts? Yep, the main reason that many of us are not fans. Roasting them is a great way to cook them and enhances their flavour.

    Brussel sprouts can be roasted in oil with seasonings but try them in a cheesy sauce. They can change your opinion of this vegetable.

    The ingredients

    sprouts ingredients
    • Brussel sprouts - Select green and firm ones.
    • Walnuts - These can be swapped with other nuts
    • Cream cheese - The base of a low carb cheese sauce
    • Butter
    • Cream - Heavy Cream
    • Parmesan
    • Mozzarella cheese- This could be replaced with a strong Cheddar cheese.
    • Garlic powder - Fresh minced garlic cloves could be substituted.
    • Nutmeg - Entirely optional. We use a dash of it in many keto cheese dishes for a little kick.
    • Salt & Pepper

    How to make keto brussels sprouts gratin

    Baked vegetables in a creamy cheese sauce is the ultimate low carb side dish. The brussels are layed in a baking dish with the walnuts. The low carb cream sauce is poured over, more cheese scattered on top and then baked.

    keto cheese sauce

    Make the cheese sauce

    halved sprouts

    Trim and halve the brussel sprouts

    cheese sauce on brussels

    Pour sauce over brussels and walnuts

    keto brussels sprouts casserole

    Bake and serve

    I love the simplicity of this dish and any vegetable slathered in a cheese sauce is always a winner in our kitchen! Serve this with a hearty main or vegetarian nut roast.

    Recipe Tips

    Add bacon or ham to this for a meatier taste.  

    A strong Cheddar cheese would be a great addition to the cheese sauce. Or try a blue cheese for a stronger flavour.

    Other nuts could be used in place of walnut. Hazelnuts or pecans would make a great choice.

    brussel sprout gratin

    Storage

    This could be made ahead, stored in the fridge and baked when you are ready to eat. Any leftovers should be placed in an airtight container and kept in the fridge for up to 3 days. Reheat thoroughly before eating.

    More Low Carb Side Recipes

    Brussel Sprout & Cauliflower Gratin

    Pumpkin & Goats Cheese Gratin

    Celeriac Gratin

    Turnip Gratin Dauphinoise

    This post was originally posted in December 2018. The photos and content have been revised but the recipe remains the same.

    brussels casserole

    Keto Brussels Sprouts Cassserole

    Angela Coleby
    Baked in a cheese sauce with walnuts, this brussels sprouts recipe is a great low carb and gluten-free side dish
    5 from 1 vote
    Print Recipe Pin Recipe
    Prep Time 15 mins
    Cook Time 25 mins
    Total Time 40 mins
    Course Side Dish
    Cuisine American, Low Carb
    Servings 8 Servings
    Calories 351 kcal

    Ingredients
     
     

    • 10 oz Brussel sprouts
    • ½ cup Walnuts chopped

    CHEESE SAUCE

    • 4 oz Cream cheese
    • 3 tablespoons Butter unsalted
    • 1.5 cups Cream heavy/whipping
    • ½ cup Parmesan cheese grated
    • 1 teaspoon Garlic powder
    • ¼ teaspoon Nutmeg (optional)
    • ½ teaspoon Salt
    • ½ teaspoon Black Pepper
    • ½ cup Mozzarella grated (optional)

    Instructions
     

    • Pre-heat the oven to 200C/400F degrees
    • Cut the brussel sprouts into half and place cut side down in a baking dish.
    • Scatter the walnuts over the brussel sprouts.

    Make the Sauce

    • Melt the butter in a saucepan over a medium heat. Add the cream and stir constantly.
    • Add the Parmesan cheese and cream cheese. Season with the garlic powder, nutmeg, salt & pepper. Stir until the cheese has melted.
    • Pour the cheese sauce over the brussel sprouts
    • Scatter Mozzarella over the top 
    • Bake for 25 minutes

    Notes

    Makes 8 servings
    The net carbs will be the total carb count minus the fibre count. Carb count excludes sugar alcohols.
    Any nutritional analysis on the website is based on an estimate, calculated by http://nutritiondata.self.com from the individual ingredients in each recipe. Variations may occur for various reasons, including product availability and food preparation. We make no representation or warranty of the accuracy of this information.

    Nutrition

    Serving: 1servingCalories: 351kcalCarbohydrates: 7gProtein: 8gFat: 34gFiber: 2g
    Have you tried this recipe? Leave a review or take a picture and share it on InstagramMention @Divalicious_Recipes or tag #divaliciousrecipes
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      Cheesy Keto Green Beans

    Reader Interactions

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      Recipe Rating




    1. Bryan Martinez

      December 22, 2018 at 12:16 am

      This looks so tasty! It's a recipe that my wife would definitely enjoy haha thank you!

      Reply
      • Angela Coleby

        December 22, 2018 at 10:16 am

        Hope she enjoys it!

        Reply

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    Hi, I'm Angela ! I'm the creator behind all the tasty low carb & gluten free recipes at Divalicious Recipes. I live in sunny St Lucia with the Chief Taster and my dogs & cats.

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