Preheat oven to 350°.
Cook chopped broccoli in boiling water 3 minutes or until crisp-tender; drain.
Coat a 9-inch pie plate with cooking spray; sprinkle with breadcrumbs. (Do not remove excess breadcrumbs.) Set aside.
Combine flour, basil, salt, and pepper in a large bowl; add milk and mustard, stirring with a whisk.
Stir in (broccoli and egg substitute.
Add chicken and 1/4 cup cheese; stir well.
Pour mixture into prepared pan.
Sprinkle with remaining cheese and paprika.
Bake at 350° for 45 minutes or until set.
Let cool on a wire rack 15 minutes.