Pasta with Chicken Sausage and Broccoli

• 12 ounces rigatoni (about 4 1/2 cups)
• 1 tablespoon olive oil
• 1 onion, sliced
• 6 ounces fully cooked chicken sausage links, sliced
• 1 small head broccoli, cut into florets and stems sliced
• 1/4 cup grated Parmesan (1 ounce)

Directions

1. Cook the pasta according to the package directions. Drain.
2. Meanwhile, heat the oil in a large skillet over medium-high heat. Cook the onion, stirring often, for 3 minutes.
3. Add the sausage and cook, stirring, until browned, 2 to 3 minutes.
4. Add the broccoli and 1 ¼ cups water and simmer, covered, until the broccoli is tender, 5 to 6 minutes.
5. Toss the pasta with the sausage mixture, including any remaining liquid, and the Parmesan.