Creating delightful pizza sliders is easy when you follow these simple steps:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Prepare Baking Dish: Grease a 9×13 inch baking dish with cooking spray or butter.
3. Cut Buns: Slice the entire package of slider buns in half horizontally, keeping the tops and bottoms connected.
4. Layer Sauce: Spread half of the marinara sauce evenly over the bottom half of the buns.
5. Add Cheese: Sprinkle 1 cup of shredded mozzarella cheese over the sauce.
6. Add Toppings: Layer the pepperoni slices (or your chosen toppings) evenly over the cheese.
7. More Cheese: Add the remaining mozzarella cheese on top of the pepperoni.
8. Top with Sauce: Spread the remaining marinara sauce over the top layer of cheese.
9. Finish with Buns: Place the top half of the slider buns back on top.
10. Prepare Butter Mixture: In a small bowl, mix the melted butter, Italian seasoning, and garlic powder.
11. Brush Buns: Brush the butter mixture generously over the top of the buns.
12. Sprinkle Parmesan: Sprinkle grated Parmesan cheese over the top for extra flavor.
13. Bake: Cover the baking dish with aluminum foil and bake for 15 minutes. Remove the foil and bake for an additional 10-15 minutes until the cheese is bubbly and the tops are golden.
14. Cool and Cut: Allow the sliders to cool for a few minutes before cutting them into individual sliders.
15. Serve: Garnish with fresh basil leaves if desired and serve warm.

By following these steps, you will create pizza sliders that are sure to impress your family and friends!