3 (6 inch) hero rolls, split and toasted
6 slices cheese
3/4 lb. sliced chicken
1 pkg. (10 oz.) frozen broccoli, thawed
3/4 c. mayonnaise
1/4 c. grated Parmesan cheese
1 tsp. dry mustard
2 or 3 tbsp. milk
1/4 c. chopped red onion

Arrange rolls in 13 x 9 x 2 inch baking pan. Cover with sliced cheese, chicken, and broccoli. Stir together mayonnaise, Parmesan cheese and mustard. Gradually stir in milk. Spoon over sandwiches: sprinkle with onion. Bake uncovered in 400 degree oven 15 to 20 minutes. Serves 6.