Preheat oven to 350°F and line a 9x13" baking dish with foil.
Slice rolls in half and spread butter on inside of bottom layer. Place bottom half in baking dish and lightly brown in the oven - takes about 5 minutes.
Spread sauce in a thin layer on bottom of rolls. Sprinkle parmesan cheese evenly over the top.
Add six slices of provolone cheese. Then top with 6 slices of larger deli style pepperoni.
Add remaining 5 or 6 slices of cheese. Finally add a layer of remaining pepperonis. Place top half on sliders.
Glaze
Melt butter and stir in brown sugar, granulated garlic and oregano until dissolved. Spoon or brush over the top of the sliders.
Bake for 5 to 10 minutes until cheese is melted and rolls are lightly browned on top. Serve warm and enjoy!