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Cauliflower and Leek Gratin

This bubbly and cheesy dish makes for a delicious dinner party side. Serve with Salt and Pepper Crusted Rack of Lamb and Wilted Mustard Greens.

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Ingredients

  • 3 tablespoons unsalted butter, plus more for baking dish
  • 1 (3-pound) head cauliflower, cut into florets
  • 2 leeks, white and light green parts only, trimmed, and sliced crosswise into 1/4-inch pieces
  • 2 small shallots, peeled and sliced into 1/8-inch rounds
  • 1 to 2 teaspoons crushed red-pepper flakes
  • 1 teaspoon fresh thyme leaves, coarsely chopped
  • 1/4 cup all-purpose flour
  • 1 1/2 cups whole milk
  • 1 1/2 cups grated Gruyere cheese
  • Coarse salt and freshly ground pepper

Directions

  1. Step 1

    Preheat oven to 350 degrees. Butter a shallow 2-quart baking dish and set aside.

  2. Step 2

    Bring a large pot of salted water to a boil. Add cauliflower and cook until slightly tender, 2 to 3 minutes. Drain and rinse under cold water; transfer to a large bowl and set aside.

  3. Step 3

    Melt butter in a small saucepan over medium-low heat. Add leeks, shallots, red-pepper flakes, and thyme; cook, stirring, until softened, about 5 minutes. Stir in flour until well combined. Slowly add milk, stirring constantly, until well combined. Increase heat to medium-high and bring to a boil; let boil 2 to 3 minutes until thickened. Remove from heat and stir in 3/4 cups cheese; season with salt and pepper.

  4. Step 4

    Pour leek mixture over cauliflower mixture and stir until cauliflower is well coated; transfer to prepared baking dish. Sprinkle remaining 3/4 cup cheese over top. Transfer to oven and bake until bubbly, about 25 minutes.

  5. Step 5

    Meanwhile, preheat broiler. Transfer baking dish to broiler; broil until golden brown, 5 to 8 minutes. Let cool 5 to 10 minutes before serving.

Source
The Martha Stewart Show, February 2012

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Reviews (1)

  • 8 Apr, 2012

    OMG! This recipe is amazing! Now I have a great way to make cauliflower.