Preheat oven to 350°F. Lightly spray or grease a 9x13 baking dish. Place the bottom halves of rolls in the baking dish. Spread shredded chicken evenly on top followed by slices of ham and cheese. In a small bowl mix mayonnaise, mustards, and ¼ tsp garlic powder. Spread mixture evenly on the underside of roll tops then place on top of cheese.

In a small bowl mix butter, remaining garlic powder, and parsley flakes. Brush evenly over roll tops. Cover baking dish with foil and bake 20­-25 minutes until cheese is melted.