Spray baking dish (11 x 8 inch) lightly with cooking spray. Cut entire sheet of rolls in half (separating tops from bottoms), being careful to try to keep rolls connected. Place the bottom half of the rolls in a baking dish.
Spread pizza sauce evenly over the rolls and sprinkle pepperoni on top of sauce (see notes). Sprinkle mozzarella on top of pepperoni and then place the top half of the rolls on top.
Mix melted butter with garlic powder, parsley flakes, dried oregano and shredded Parmesan cheese. Pour evenly over sliders.
Spray a piece of foil with nonstick cooking spray to prevent cheese from sticking and cover baking dish with this foil.
Bake for 20 minutes.
Uncover and bake 5-10 minutes or until parmesan is melted and golden brown.
Cut into sliders and serve immediately.
You may use other rolls that are all connected in a sheet – King’s Hawaiian is typically the most readily available.If you don’t use mini pepperoni, I’d use one pepperoni per roll, so 12 pepperoni slices. If you want to use more, just make sure you have a sharp knife to slice these apart into individual sliders before serving.Be creative with pizza toppings. In addition to pepperoni (or instead of) you could add mushrooms, peppers, onions, cooked sausage, ham, spinach, olives, etc.