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    Home » Side Dishes

    Keto Brussel Sprouts Gratin with Walnuts

    Published: Dec 18, 2018 · Updated: Sep 12, 2021 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 gratin has the added crunch of walnuts making it a delicious low carb side dish. A great way to enjoy brussel sprouts.

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

    brussel sprouts in a cheese sauce

    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.

    Are brussel sprouts keto?

    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.

    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.

    How to make keto brussels sprouts gratin

    Baked vegetables in a 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.

    The 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/Whipping
    • Parmesan
    • Mozzarella
    • Garlic powder - Fresh garlic cloves could be used.
    • Nutmeg - Entirely optional. We use a dash of it in many gratin dishes for a little kick.
    • Salt & Pepper
    brussel sprout gratin

    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.

    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.

    More low carb gratin 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.

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

    brussel sprout gratin

    Brussel Sprout Walnut Gratin

    Angela Coleby
    Baked in a cheese sauce with walnuts, this brussel sprouts recipe is a great 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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    More Side Dishes

    • Turnip Fries
    • Turnip Tart
    • Keto Roasted Cauliflower with Dijon & Lemon
    • Kale Cauliflower Tots

    Reader Interactions

    Comments

    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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