Preheat oven to 350 degrees F.
Spray your 9 x 13 baking dish with cooking oil
Take the Hawaiian Rolls out of the package and slice horizontal without breaking them apart
In a bowl whisk together
1/4 Cup honey mustard dressing
1 Cup mayonnaise
Spread the mixture over the sliced rolls
Layer sliced ham and cheese over the rolls, then place the top rolls
Lay the rolls into the prepared baking dish
In another bowl combine
1 tsp. thyme
1/4 tsp garlic powder
1/4 tsp. onion powder
1/4 Cup butter-melted
Brush the tops of the rolls with this butter mixture
Cover with foil and bake covered for 10 minutes
Remove foil and bake an additional 10 minutes until the cheese is melted and the tops are crispy
Slice, remove from the baking dish and serve on a party tray