overhear of cauliflower au gratin keto on board and blue towel

Cauliflower Au Gratin Keto Recipe

Cauliflower au gratin is a delicious and healthy alternative to traditional potato au gratin. This keto-friendly recipe features tender cauliflower florets baked in a creamy, cheesy sauce made with heavy cream, cream cheese, and garlic.

It’s a satisfying and comforting dish that is perfect for those following a low-carb or keto diet. The cauliflower provides a nutritious and low-carb substitute for potatoes, while the rich and flavorful sauce adds a touch of indulgence to the dish.

overhear of cauliflower au gratin keto on board and blue towel

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This recipe is easy to make and can be served as a main dish or a side dish for any meal. Whether you’re looking for a hearty and satisfying keto dinner or a tasty and healthy side dish, cauliflower au gratin is sure to be a hit.

red dish holding cauliflower au gratin keto

What makes cauliflower au gratin a keto-friendly dish?

Cauliflower au gratin is keto-friendly due to its use of cauliflower, which is low in carbs compared to starchy vegetables like potatoes traditionally used in gratin dishes. Keto adherents often substitute higher-carb ingredients with low-carb alternatives like cauliflower.

Can I use frozen cauliflower for a keto cauliflower au gratin?

Yes, frozen cauliflower can be used, but it’s essential to thaw and pat it dry before preparing the dish to avoid excess moisture.

What ingredients to I need to make cauliflower au gratin keto?


  • cauliflower florets
  • cream cheese
  • heavy cream
  • unsalted butter
  • garlic powder
  • dried dill
  • Sea salt and black pepper
  • Italian cheese blend
  • bacon
  • fresh chives

Helpful tools to make this recipe

dish of cauliflower au gratin keto on board

Can I add additional vegetables or proteins to the cauliflower au gratin for variety?

Absolutely! Adding diced ham or sautéed spinach can enhance the flavor and nutritional profile of the dish without significantly impacting the carb count.

Is there a way to make the cauliflower au gratin dairy-free for those with dietary restrictions?

Yes, you can use dairy-free alternatives like almond milk or coconut cream instead of heavy cream, and vegan cheese for the gratin topping to make it dairy-free and keto-friendly.

What other recipes should I try?

overhear of cauliflower au gratin keto on board and blue towel

Cauliflower Au Gratin Keto Recipe

Prep Time: 10 minutes
Cook Time: 15 minutes
Total Time: 25 minutes


  • 4 c. cauliflower florets, chopped into bite-sized pieces
  • 6 oz. cream cheese, cut into chunks
  • ¼ c. heavy cream
  • 3 T. unsalted butter, softened
  • ¼ t. garlic powder
  • ½ t. dried dill
  • Sea salt and black pepper, to taste
  • 1½ c. Italian cheese blend, shredded
  • 4 strips bacon, cooked and crumbled
  • 1 T. fresh chives, chopped


  1. Place top oven rack in the center position and preheat oven to 400°F.
  2. Place the cauliflower in a steamer basket on top of a pot with boiling water and steam until fork-tender, around 6-7 minutes. Remove from heat and transfer cauliflower into a cold water bath to prevent further cooking. Drain well and pat dry.
  3. Transfer steamed cauliflower to a large bowl and add cream cheese, heavy cream, butter, garlic powder, and dried dill. Season with salt and black pepper, to taste, and toss to combine.
  4. Transfer to oven-safe casserole dish and top with shredded cheese blend and crumbled bacon. Place in pre-heated oven and roast until cheese is melted and nicely browned on top, around 8-10 minutes.
  5. Remove from oven and serve immediately topped with fresh chives. Enjoy!
Text: cauliflower au gratin
overhead of cauliflower dish

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