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Baked Penne with Farmhouse Cheddar and Leeks

4.0

(44)

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An extra-sharp raw-milk cheddar from England is the perfect counterpoint to the sweet sautéed leeks in this upscale twist on mac and cheese.

Test-kitchen:

Unlike classic mac and cheese, which is thickened by a roux (a flour and butter mixture), this one uses eggs to make a rich, gooey custard. But be careful when adding the hot cheese sauce to the eggs; you’ll need to whisk the sauce in slowly so that the eggs don’t curdle.

Recipe information

  • Yield

    Makes 6 servings

Ingredients

1/4 cup (1/2 stick) butter
5 cups chopped leeks (white and pale green parts only; about 5 large)
1/4 cup all purpose flour
3 1/2 cups whole milk
1 pound extra-sharp cheddar cheese, coarsely grated (about 4 cups packed)
1 tablespoon Dijon mustard
1 teaspoon hot pepper sauce
2 large eggs
1 pound penne pasta

Preparation

  1. Step 1

    Lightly butter 15x10x2-inch baking dish. Melt 1/4 cup butter in heavy large saucepan over medium heat. Add leeks; stir to coat. Cover saucepan and cook until leeks are tender, stirring occasionally, about 12 minutes (do not brown). Uncover saucepan; add flour. Stir 2 minutes. Add milk; bring to simmer, stirring often. Add cheese, mustard, and pepper sauce. Stir until cheese melts. Remove from heat. Season cheese sauce to taste with salt.

    Step 2

    Whisk eggs in medium bowl. Gradually whisk in 1 cup cheese sauce. Stir egg mixture into cheese sauce in saucepan.

    Step 3

    Meanwhile, cook pasta in large pot of boiling salted water until just tender but still firm to bite, stirring occasionally. Drain. Return to pot.

    Step 4

    Stir cheese sauce into pasta in pot. Transfer to prepared baking dish. do ahead Can be made 2 hours ahead. Let stand at room temperature.

    Step 5

    Preheat oven to 400°F. Bake pasta until cheese sauce is bubbling around edges and some ends of pasta are golden brown, 25 to 30 minutes.

    Step 6

    Let stand 15 minutes. Serve hot.

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