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Cauliflower Parmesan Casserole

10 reviews
Test Kitchen Approved
Total Time

Prep: 30 min. Bake: 30 min.

Makes

12 servings

Updated: Jan. 04, 2024
A lighter version of a classic white sauce coats cauliflower in this dish that’s perfect for a potluck buffet. —Taste of Home Test Kitchen
Cauliflower Parmesan Casserole
Cauliflower Parmesan Casserole Recipe photo by Taste of Home
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Ingredients

  • 3 packages (16 ounces each) frozen cauliflower, thawed
  • 1 large onion, chopped
  • 1/3 cup butter, cubed
  • 1/3 cup all-purpose flour
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground mustard
  • 1/4 teaspoon pepper
  • 2 cups fat-free milk
  • 1/2 cup grated Parmesan cheese
  • TOPPING:
  • 1/2 cup soft whole wheat bread crumbs
  • 2 tablespoons butter, melted
  • 1/4 teaspoon paprika

Directions

  1. Preheat oven to 350°. Place 1 in. water in a Dutch oven; add cauliflower. Bring to a boil. Reduce heat; cover and cook until crisp-tender, 4-6 minutes. Drain and pat dry.
  2. Meanwhile, in a large saucepan, saute onion in butter until tender. Stir in flour, salt, mustard and pepper until blended; gradually add milk. Bring to a boil; cook and stir until thickened, 1-2 minutes. Remove from the heat. Add cheese; stir until melted.
  3. Place cauliflower in a greased 13x9-in. baking dish. Pour the sauce on top.
  4. Combine the bread crumbs, butter and paprika. Sprinkle over sauce. Bake, uncovered, 30-35 minutes or until bubbly.

Nutrition Facts

3/4 cup: 142 calories, 8g fat (5g saturated fat), 22mg cholesterol, 257mg sodium, 13g carbohydrate (5g sugars, 3g fiber), 6g protein.