Keto Cauliflower Gratin

4.8 Stars (4 Reviews) 12 Comments

Unbelievably creamy and cheesy, this keto cauliflower gratin will be the most requested side dish at your table. It's hard to believe the main ingredient is cauliflower!

Keto Cauliflower Gratin Recipe Video

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Cauliflower Gratin Ingredients

  • 1 pound cauliflower florets
  • 3 tablespoons butter
  • 3 tablespoons almond flour
  • 1 cup heavy cream
  • 1 teaspoon salt
  • 1/4 teaspoon onion powder
  • 1/4 teaspoon garlic powder
  • 1/4 teaspoon pepper
  • 1/2 cup shredded sharp cheddar cheese
  • 1/2 cup shredded gruyere cheese
  • 6 slices of bacon, crumbled
  • 1 teaspoon fresh thyme

Keto Cauliflower Gratin Directions

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spooning out cheesy gratin

If you are looking for keto side dish recipes for this holiday season, potluck or just to something delicious to serve with dinner, this keto cauliflower gratin is your recipe! This side is creamy and cheesy. It’s hard to believe the main ingredient is cauliflower. This is one keto cauliflower recipe that actually tastes incredible and covers any strange cauliflower smell or taste.

Butter and two types of cheeses – sharp cheddar and gruyere make up this cheesy low carb meal. It’s the easiest way to transform and disguise a vegetable into a rockstar side dish.

holiday side dishes on a white wooden table

Benefits of Cauliflower on the Keto Diet

Cauliflower is a staple on the keto diet. It is so versatile and it seems like you can turn cauliflower into anything. You can transform it into rice, soup and tater tots! It is low in carbs. There are 3 net carbs in 100 grams of cauliflower.

Not only is cauliflower low in carbs and high in fiber but it has lots of antioxidants and choline in it.

steamed cauliflower in a basket

Getting the Moisture Out of the Cauliflower

You want to make sure you get as much moisture out of the steamed cauliflower as you can. Extra moisture in this dish will make the gratin soupy instead of creamy. The easiest way to squeeze out the excess water is to place the florets in between a thick layer of paper towels or a clean cloth. Then press the moisture out. Continue layering paper towels or dry clothes until the moisture is out.

creamy cauliflower gratin in a white casserole dish

Best Cheeses for Gratin

In this recipe, you can add your favorite cheeses. I like to use a combination of sharp cheddar cheese and gruyere cheese. Sharp cheddar cheese adds a lot of flavor. It is pungent and earthy. While the gruyere is nutty. It is smooth cheese so it melts easy. It is similar to swiss cheese.

Nutritional information & Macros

Nutrition Information

Keto Cauliflower Gratin

Servings: 6

Amount Per Serving
Calories 351
Fat 33.4g
Protein 11.8g
Total Carbs 4.4g
Net Carbs 2.7g

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  1. Made this today. It is very good, but way too powerful. I went back and added another pound of califlower and mixed it all up again and it was a much better balance. Also, it was too salty. Next time I would leave the salt out completely. Between the butter, bacon and cheese, it is salty enough. With that said it was delicious and so filling. It kept me full and not eating a bunch of other junk for hours. The guyere and thyme makes this so great.

  2. This sounds perfect for my keto diet but even for company. I think it could be used for broccoli too, don’t you think? I am hoping to try it soon. Loved the video about 10 things to keep in your fridge, never knew about macadamia milk and will try that. Thanks I ve just suscribed.

  3. What size casserole dish do you use? I will need to double the recipe for Thanksgiving so want to use a large enough dish. Thanks!

  4. How far ahead do you make this recipe? Do you bake it and leave it in the refrigerator and then bake in oven again to heat it up when you want to serve it?

  5. This recipe is delicious! The whole family loved it. I roasted the cauliflower instead of steaming to avoid issues with moisture. It was perfect.

  6. This recipe was perfect! I cooked a head of cauliflower for 2 minutes in my instapot. I am excited to try more recipes!!😊

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