Cheesy Baked Cauliflower (Cauliflower Au Gratin)

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Quick Description

Tender cauliflower baked in a creamy cheese sauce and topped with golden, bubbly cheese. It’s rich, comforting, and perfect as a side dish or even a main for veggie lovers.

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Servings & Timing

  • Servings: 4–6
  • Prep Time: 15 minutes
  • Cook Time: 30–35 minutes
  • Total Time: 45–50 minutes

Ingredients

  • 1 large head cauliflower, cut into florets
  • 2 tablespoons butter
  • 2 tablespoons all-purpose flour
  • 2 cups milk
  • 1 cup heavy cream
  • 1 ½ cups shredded cheddar cheese
  • ½ cup mozzarella cheese
  • ½ teaspoon garlic powder
  • ½ teaspoon salt (or to taste)
  • ¼ teaspoon black pepper
  • Optional: pinch paprika or nutmeg

Step-by-Step Instructions

1. Preheat & Prep

Preheat oven to 375°F (190°C).
Lightly grease a baking dish.

2. Cook the Cauliflower

Bring a pot of salted water to boil.
Cook cauliflower florets for 5–7 minutes until just tender.
Drain well and place in baking dish.

3. Make the Cheese Sauce

In a saucepan over medium heat:
Melt butter.
Whisk in flour and cook for 1 minute.
Slowly add milk and cream while whisking to avoid lumps.
Cook until thickened (3–5 minutes).

Stir in:

  • 1 cup cheddar
  • Garlic powder
  • Salt and pepper

Mix until smooth and creamy.

4. Assemble

Pour sauce over cauliflower.
Top with remaining cheddar and mozzarella.

5. Bake

Bake 25–30 minutes until bubbly and golden brown on top.
Broil 2–3 minutes for extra browning if desired.


Serving Suggestions

  • Serve with grilled chicken or steak
  • Add cooked bacon bits for extra flavor
  • Sprinkle fresh parsley before serving

Storage

  • Refrigerate up to 4 days
  • Reheat in oven for best texture