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Cauliflower Au Gratin Recipe

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  • Author: Sue
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Total Time: 50 minutes
  • Yield: 6 servings
  • Category: Side Dish
  • Method: Baking
  • Cuisine: French
  • Diet: Vegetarian

Description

Cauliflower Au Gratin is a French-inspired baked dish featuring tender cauliflower florets smothered in a creamy, cheesy béchamel sauce, topped with breadcrumbs and cheese, then baked until golden and bubbly.


Ingredients

  • 1 large head of cauliflower, cut into florets
  • 3 tablespoons unsalted butter
  • 3 tablespoons all-purpose flour
  • 2 cups whole milk
  • 1 cup grated Gruyère cheese
  • ½ cup grated Parmesan cheese
  • ¼ cup breadcrumbs
  • 2 cloves garlic, minced
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • ¼ teaspoon ground nutmeg
  • 1 tablespoon chopped fresh parsley (optional)

Instructions

  1. Preheat oven to 375°F (190°C) and grease a 2-quart baking dish.
  2. Bring a large pot of salted water to a boil, add cauliflower florets, and cook for 5–7 minutes until just tender. Drain well and transfer to prepared baking dish.
  3. In a medium saucepan over medium heat, melt butter, add minced garlic, and cook for 1 minute. Stir in flour to form a roux and cook for 2 minutes until golden.
  4. Gradually whisk in milk, cooking and whisking constantly until thickened, about 5 minutes. Remove from heat and stir in Gruyère, ¼ cup Parmesan, salt, pepper, and nutmeg until melted and smooth.
  5. Pour cheese sauce over cauliflower in the baking dish. Sprinkle with breadcrumbs and remaining ¼ cup Parmesan.
  6. Bake for 25–30 minutes or until top is golden and sauce is bubbling. Garnish with parsley if desired before serving.

Notes

  • Use sharp cheddar or Fontina for a cheese variation.
  • Add bacon bits, ham, or chicken for extra protein.
  • Mix in broccoli or mushrooms for more veggies.
  • Add cayenne or mustard powder for spice.
  • Make ahead and refrigerate before baking.
  • Substitute with gluten-free flour and breadcrumbs for a gluten-free version.

Nutrition

  • Serving Size: 1 serving
  • Calories: 230
  • Sugar: 4g
  • Sodium: 380mg
  • Fat: 16g
  • Saturated Fat: 9g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 12g
  • Fiber: 3g
  • Protein: 10g
  • Cholesterol: 40mg