3 (6 inch) hero rolls (split & toasted or 6 slices toasted bread)
6 slices cheese of your choice
3/4 lb. sliced chicken
1 pkg. (10 oz.) frozen broccoli, cooked
3/4 c. mayonnaise
1/4 c. grated parmesan cheese
1 tsp. dry mustard
2 to 3 tbsp. milk
1/4 red onion (opt.)

Arrange rolls in 13 x 9 inch pan. Cover with sliced cheese, chicken and then broccoli. Stir together mayonnaise, parmesan cheese and mustard. Gradually stir in milk. Spoon over sandwiches and sprinkle with red onion (if desired). Bake uncovered at 400 degrees for 15 to 20 minutes. Serves 6.