RIGATONI AL FORNO WITH CAULIFLOWER AND BROCCOLI RABE

Rigatoni al Forno With Cauliflower and Broccoli Rabe image

This baked pasta - please don't call it a "pasta bake" - is a luscious affair, with two sauces. A creamy white béchamel is employed to toss with the pasta and vegetables. When it emerges, bubbly and bronzed and crisp on top, a bright, light tomato sauce adorns each serving. (If preferred, you can layer both sauces instead.) Putting it together is somewhat like building a lasagna - a bit of a fussy project - but once assembled, it's no trouble at all to bake and serve. Prepare it all several hours in advance, then pop it in the oven when you like.

Provided by David Tanis

Categories dinner, pastas, main course

Time 1h30m

Yield 6 servings

Number Of Ingredients 23

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Ingredients

3 tablespoons extra-virgin olive oil
3 tablespoons all-purpose flour
3 cups whole milk, or use half-and-half for a richer sauce
Kosher salt and black pepper
1/8 teaspoon grated nutmeg, or to taste
1 small bay leaf
3 cups canned tomatoes, whole or crushed tomatoes (from a 28-ounce can)
1 1/2 cups chopped onion, any kind
3 garlic cloves, minced
2 tablespoons extra-virgin olive oil
1 bay leaf or a few basil leaves
Kosher salt
Kosher salt
1 pound rigatoni
1 medium cauliflower, chopped (about 3 cups)
1 bunch broccoli rabe, chopped (about 3 cups)
3 garlic cloves, minced
2 teaspoons finely chopped rosemary
1/2 teaspoon red-pepper flakes
Black pepper
2 tablespoons extra-virgin olive oil, plus more for greasing the pan
1 cup grated provolone (about 3 ounces), plus more for serving
1 cup grated Pecorino Romano (about 3 ounces), plus more for serving

Steps:

Make the béchamel: Put the olive oil and flour in a small saucepan over medium-high heat and whisk together. Let mixture sizzle without browning for 1 minute. Whisk in milk 1 cup at a time, letting it come up to a simmer and begin to thicken before adding the next cup. Repeat until all the milk has been added.
When the sauce has thickened to the consistency of a milkshake, turn heat to low. Add 1 teaspoon salt and a pinch of pepper. Add the nutmeg and bay leaf, and cook for 10 minutes, whisking occasionally. Check seasoning and adjust. Turn off heat and keep sauce warm. (If sauce thickens upon sitting, thin with a little more milk.)
Make the tomato sauce: In a small saucepan, put tomatoes, onion, garlic, olive oil, bay leaf or basil, and 1 teaspoon salt. Bring to a boil, then turn down heat and simmer for 10 minutes. Transfer mixture to a blender (remove bay leaf before blending but leave in basil, if using). Purée to a velvety consistency and return to the saucepan. Taste and adjust seasoning. Keep sauce warm, or let cool and reheat before serving.
Make the pasta: Bring a large pot of well-salted water to a boil. Add the rigatoni and cook until nearly done, about 2 minutes less than package directions, leaving the pasta still quite firm. Lift pasta from the water with a spider or large strainer, and spread it out on a baking sheet to cool.
Add cauliflower to pot and cook until barely softened, 1 minute. Lift from the water with a spider or large strainer and spread out to cool on a baking sheet.
Add the broccoli rabe and cook until just wilted, 1 minute, then drain in a colander. Rinse with cool water, then squeeze into a ball.
Put cauliflower and broccoli rabe into the empty pasta pot. Add garlic, rosemary and red-pepper flakes, and stir together. Season with salt and pepper, and drizzle with 2 tablespoons oil.
Add the béchamel and the rigatoni. Mix well with the cauliflower and broccoli rabe. Add the provolone and Pecorino Romano, and mix well again.
Heat oven to 400 degrees. Pile the pasta mixture into an oiled 9-by-13-inch baking dish. Bake until nicely browned and crisp on top, about 40 minutes. Leave to rest for 10 minutes before serving. (Alternatively, refrigerate the assembled dish for up to 6 hours and bake later. Bring to room temperature before baking.)
To serve, put a large spoonful of pasta into individual bowls or plates, making sure each portion has some of the crisp top. Spoon some tomato sauce around each portion and sprinkle with more grated cheese.