Cauliflower Au Gratin

This dish pays homage to traditional French cuisine, where gratins are beloved for their indulgent textures and rich flavors. With its creamy texture and savory taste, Cauliflower au Gratin offers a comforting and satisfying dining experience that is perfect for any occasion. Whether you're looking for a side dish to complement a hearty main course or seeking a vegetarian entree that stands on its own, this dish is sure to impress with its gourmet appeal and rustic charm.

Cauliflower Au Gratin

Indulge in a classic French comfort dish with our Cauliflower au Gratin recipe. This creamy and flavorful dish features tender cauliflower florets bathed in a luscious cheese sauce. Whether served as a decadent side dish or as the star of a vegetarian meal paired with a fresh salad, Cauliflower au Gratin is the perfect choice. Bon appétit! 🇫🇷
Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings 6


  • large pot (for boiling cauliflower)
  • Oven-safe baking dish
  • saucepan
  • whisk
  • mixing bowl


  • 1 head cauliflower (cut into florets)
  • 2 tbsp butter (30 g)
  • 2 tbsp all-purpose flour (30 g)
  • 1 ½ cups milk (375 ml)
  • 2 cups gruyère cheese (200 g or Swiss cheese) shredded
  • 1 pinch nutmeg (ground)
  • salt and pepper (to taste)


  • Preheat your oven to 375°F (190°C). Grease an oven-safe baking dish with butter or cooking spray.
  • Bring a large pot of salted water to a boil. Cut the cauliflower into florets. Add the cauliflower florets to the boiling water and cook for 5-7 minutes, or until they are just tender. Drain the cauliflower and transfer it to the prepared baking dish.
  • In a saucepan, melt the butter over medium heat. Once melted, whisk in the flour to create a roux. Cook the roux for 1-2 minutes, stirring constantly, until it becomes golden brown.
  • Gradually whisk in the milk, stirring constantly to prevent lumps from forming. Continue cooking the sauce until it thickens and coats the back of a spoon, about 5 minutes.
  • Remove the saucepan from the heat and stir in half of the shredded Gruyère or Swiss cheese until it is fully melted and incorporated into the sauce. Season with salt and pepper to taste and add a pinch of grounded nutmeg.
  • Pour the cheese sauce evenly over the cauliflower in the baking dish, ensuring that all the florets are coated. Sprinkle the remaining cheese.
  • Bake the Cauliflower au Gratin in the preheated oven for 20-25 minutes, or until the top is golden brown and bubbling.
  • Remove the gratin from the oven and let it cool for a few minutes before serving.


  • For added flavor, you can incorporate minced garlic or chopped herbs into the cheese sauce.
  • Feel free to customize the cheese blend by using your favorite varieties, such as cheddar, Emmental, or Fontina.
  • Leftover Cauliflower au Gratin can be stored in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave before serving.
  • Serve this dish as a side with roasted meats, grilled fish, or as a main course alongside a fresh green salad for a complete meal. 
Keyword Cauliflower Gratin, Cheesy cauliflower

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