Farfalle with Broccoli

1.Bring a large pot of salted water to a boil over high heat. Add the pasta and cook, stirring occasionally.
2.After 5 minutes, add the broccoli florets to the pasta and stir and cook for another 4 minutes. Drain pasta and broccoli, reserving 1 cup of the pasta water.
3.Meanwhile, in a large skillet, heat the olive oil and butter over medium heat. Add the garlic, anchovies, and red pepper flakes and cook for 5 minutes.
4.Add the broccoli, pasta, salt and pepper, and lemon juice and toss. Add some of the reserved pasta water, if necessary, to make a light sauce. Transfer to a serving platter and sprinkle with Parmesan and scallions.