Slice slider rolls in half horizontally. Spread half the Red Pepper Cream Cheese on cut side of the bottom of the slider buns.
Layer ham, salami, roast beef evenly on top of cream cheese, making sure to get to the edges.
Sprinkle with pepperoncini if using, red onion slices and Italian seasoning.
Top with provolone cheese
Spread remaining cream cheese on cut side of the top slider buns and place on top of sandwich.
Place the sliders in a 9X13 inch pan, sprayed with cooking spray.
Baste with Herbed Butter topping and bake at 350F for 20-25 minutes until cheese is melted and the sandwiches are heated through.
To Make the Parmesan Herbed Butter Topping:
In a small microwave safe bowl, combine butter, Italian Seasoning and garlic powder. Heat for 20-30 seconds until melted. Remove from microwave and stir in Parmesan cheese.