Au Gratin Broccoli and Cauliflower

16 oz fresh broccoli and cauliflower florets
1/2 cup reduced-fat mayonnaise
1/2 cup shredded Sharp Cheddar cheese
1/2 cup shredded Parmesan cheese
3 green onions, sliced
1 clove garlic, minced
1 T Dijon mustard
1/8 tsp ground red cayenne pepper
1 T Italian-seasoned breadcrumbs
1/4 tsp paprika

Preheat oven to 350 degrees.  Stir together mayonnaise, cheddar cheese, parmesan cheese, green onions, garlic, mustard and red pepper; set aside.  Cover and steam florets 6-8 minutes until crisp tender.  Drain well.  Arrange florets in baking dish.  Spoon cheese mixture over florets.  Sprinkle with breadcrumbs and paprika.  Bake 20-25 minutes or until golden brown.