Step 1

1 Heat oven to 400°F. Spray 9-inch glass pie plate with cooking spray. Sprinkle broccoli, 1 cup of the cheese, the chicken and onion in pie plate.

Step 2

2 In medium bowl, stir remaining ingredients with wire whisk or fork until blended. Pour into pie plate.

Step 3

3 Bake 35 to 38 minutes or until knife inserted in center comes out clean. Sprinkle with remaining 1/2 cup cheese. Bake 1 to 2 minutes longer or until cheese is melted. Let stand 5 minutes before serving.