Creating Beef Pepperoni Pizza Sliders is straightforward if 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 olive oil.

3. Slice Buns: Carefully slice the slider buns in half horizontally, keeping them attached. Place the bottom half in the greased baking dish.

4. Spread Sauce: Evenly spread the marinara sauce over the bottom half of the slider buns.

5. Layer Pepperoni: Arrange the beef pepperoni slices over the marinara sauce, ensuring they cover the entire surface.

6. Add Cheese: Sprinkle half of the shredded mozzarella cheese over the pepperoni.

7. Season: In a small bowl, mix the olive oil, Italian seasoning, garlic powder, salt, and black pepper. Brush this mixture over the top of the slider buns.

8. Top with Cheese: Add the remaining mozzarella cheese on top of the slider buns.

9. Cover with Top Half: Place the top half of the slider buns over the cheese.

10. Bake: Place the baking dish in the preheated oven and bake for about 15-20 minutes, or until the cheese is melted and bubbly.

11. Cool Slightly: Once done, remove the sliders from the oven and let them cool for a few minutes.

12. Slice and Serve: Use a sharp knife to cut the sliders into individual portions and serve warm.

These steps will guide you in creating the incredible Beef Pepperoni Pizza Sliders effortlessly.