1. Preheat oven to 375° F.
2. Steam broccoli and cauliflower, covered, 5 minutes or until crisp-tender.
3. Drain well; set aside.
4. Combine breadcrumbs and next 5 ingredients; stir well, and set aside.
5. Place flour in a small saucepan.
6. Gradually add milk, stirring with a whisk until blended.
7. Bring to a boil over med.-high heat, and cook 1 minute or until thick, stirring constantly.
8. Remove from heat; add cheese, stirring until cheese melts.
9. Combine veggies and cheese sauce, stirring well to coat.
10. Spoon mixture into a quart baking dish coated with cooking spray.
11. Sprinkle with breadcrumbs mixture.
12. Bake for 25 minutes or until breadcrumbs are lightly browned.
13. Let stand 5 minutes before serving.

Yield 4 servings.
Weight Watchers Points = 3