Step 1

Preheat the oven to 350 degrees F.

Step 2

Coat a sheet pan with cooking spray. Place the bottom half of the rolls on the pan.

Step 3

Layer the ham on top of the rolls, then layer the cheese over the ham.

Step 4

Place the tops of the rolls over the cheese.

Step 5

In a small bowl, whisk together the butter, mustard, poppy seeds, dried onion and Worcestershire sauce.

Step 6

Drizzle the butter mixture over the tops of the rolls.

Step 7

Cover the sandwiches with foil and bake for 15 minutes or until cheese is melted. Uncover the rolls and bake for an additional 3-5 minutes until the tops of the rolls are lightly browned.

Step 8

Sprinkle parsley over the top. Cut into individual sandwiches and serve immediately.