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Cauliflower Gratin

3 reviews
Contest Ribbon Contest Winner
Test Kitchen Approved
Total Time

Prep: 25 min. Bake: 45 min.

Makes

8 servings

Updated: Aug. 22, 2023
This is a lower-carb side dish that pairs well with pork, ham or beef. It's so creamy and delicious! If you like a bit of crunch, sprinkle buttered bread crumbs over the top for the last five minutes in the oven. — Mary Zinchiak, Boardman, Ohio
Cauliflower Gratin
Cauliflower Gratin Recipe photo by Taste of Home
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Ingredients

  • 1 large head cauliflower, cut into florets
  • 2 tablespoons olive oil
  • 1 teaspoon salt, divided
  • 1 teaspoon pepper, divided
  • 4 tablespoons butter, cubed
  • 3 tablespoons all-purpose flour
  • 2 cups 2% milk
  • 1 cup shredded Swiss cheese
  • 1/2 cup grated Parmesan cheese
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon ground mustard
  • 1/2 teaspoon Worcestershire sauce
  • 1/8 teaspoon cayenne pepper
  • Chopped fresh thyme, optional

Directions

  1. Preheat oven to 375°. Place cauliflower on a rimmed baking sheet. Drizzle with oil; sprinkle with 1/2 teaspoon salt and 1/2 teaspoon pepper. Toss to coat. Bake 8 minutes. Stir; bake until crisp-tender and lightly browned, 7-8 minutes longer.
  2. In a large saucepan, melt butter over medium heat. Stir in flour until smooth; gradually whisk in milk. Bring to a simmer, stirring constantly; cook and stir until thickened, 2-3 minutes. Remove from heat. Stir in next 6 ingredients and remaining 1/2 teaspoon salt and 1/2 teaspoon pepper until smooth.
  3. Pour 3/4 cup cheese sauce into a greased 2-qt. baking dish. Top with cauliflower and remaining cheese sauce. Bake, uncovered, until bubbly and lightly browned, 30-35 minutes. If desired, sprinkle with chopped fresh thyme.

Test Kitchen tips
  • Freshly shredded Parmesan cheese works best in this recipe. Canned, grated Parmesan cheese will make the texture grainy.
  • To make this a vegetarian dish, simply omit the Worcestershire sauce.
    • Add additional texture by topping dish with buttered panko bread crumbs before baking. Add more flavor and color by topping with minced fresh thyme.

    Nutrition Facts

    3/4 cup: 196 calories, 14g fat (7g saturated fat), 34mg cholesterol, 291mg sodium, 11g carbohydrate (5g sugars, 2g fiber), 9g protein.