Preheat oven to 350°F.
Cook pasta al dente according to package directions adding the broccoli into the cooking water during the last 2 minutes. Drain well.
Meanwhile, combine all sauce ingredients in a small bowl.
Stir together broccoli and pasta, sauce, and chicken. Place in a greased 2 qt casserole dish.
Combine topping ingredients and sprinkle over casserole.
Bake 35 minutes or until bubbly and cheese lightly browned.
