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Low Carb Cauliflower Gratin
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4.5 from 2 votes

Low Carb Cauliflower Gratin

Low Carb Cauliflower Gratin, a delicious side dish recipe that is keto low carbohydrate diet friendly
Prep Time20 mins
Cook Time35 mins
Total Time55 mins
Course: side, Side Dish
Cuisine: American
Search Result: cauliflower, gluten free, keto, keto low carb, side, Thanksgiving, vegetables
Servings: 8 Servings



  • To cook the cauliflower simply boil it (can add salt) for about five minutes until it just begins to become tender. Then allow the cauliflower to drain for use in this recipe.
    cook boil cauliflower
  • Preheat the oven to 350 and prep a casserole dish for nonstick.
    baking dish
  • In a skillet on low heat, sauté the butter with the onion until it starts to soften (a few minutes). Then stir in the flour and cook until the mixture begins to brown- for another four to five minutes, stirring.
    skillet on stove
  • Next stir in the milk and bring the mixture to a boil and then turn the heat down to a simmer. Be sure to whisk as needed to break up the clumps. Allow the mixture to simmer for about a minute and then turn the heat off and stir in the Swiss (or Gruyere) cheese until melted. You can add any desired seasonings at this time as well.
    whisk milk
  • Drizzle a couple of tablespoons of the melted cheese mixture from the pan over the prepared casserole dish then arrange the cauliflower as evenly as possible over the mixture. Top with the remaining mixture and then the parmesan cheese, bread crumb alternative, and any additional seasonings. Bake until the Cauliflower Gratin begins to brown (23-30 minutes)
    Low Carb Cauliflower Gratin

Recipe Notes

As mentioned, you will need low carb or keto all purpose flour.
Also, you will need a low carb bread crumb or alternative.
This recipe works best using a fresh head of cauliflower.
Using a fresh head of cauliflower that is of average to large in size works best in this recipe.
Also suggested that the boiled cauliflower should be allowed to drain before using it in this recipe.
*Please check the nutritional labels to assure that you are sticking to your diet restrictions for any substitutions used.
- see post for alternatives
Please see recipe post for further details on this recipe.
Nutritional Information is only an estimate and can vary especially with ingredients that are used.
*As an Amazon Associate I earn from qualifying purchases. This means that the links on this website, and specifically on this post, that lead to other sites may be affiliate links.


Calories: 128kcal | Carbohydrates: 6g | Protein: 6g | Fat: 9g | Saturated Fat: 5g | Cholesterol: 23mg | Sodium: 197mg | Potassium: 248mg | Fiber: 2g | Sugar: 2g | Vitamin A: 326IU | Vitamin C: 37mg | Calcium: 177mg | Iron: 1mg
Please note: Nutritional data has been calculated using a tool that comes with this recipe card and not by me. This means that Nutritional Information is only an estimate and can vary especially with ingredients that you use. The accuracy of this tool may differ from other tools as expected. Also note that there is no instructional value to the video that may be attached to this recipe. It is only there for visual pleasure. For more information about the images in this recipe, please refer the the recipe instructions. Thank you!

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