Preheat the oven to 350°F. Lightly grease a baking dish large enough to hold the rolls.
Keep the rolls connected and use a serrated knife to slice the entire package horizontally.
Place the bottom half of the rolls in the prepared baking dish.
Spread the pesto evenly over the cut side of the bottom rolls.
Arrange the sliced turkey evenly over the pesto, folding the slices as needed.
Layer the provolone cheese over the turkey, slightly overlapping the slices to cover the entire surface.
Place the top half of the rolls over the cheese.
In a small bowl, combine the melted butter, parsley, garlic powder and Italian seasoning.
Brush or spoon the seasoned butter evenly over the tops of the rolls.
Cover the baking dish loosely with aluminum foil and bake for 15 minutes.
Remove the foil and bake for another 5–7 minutes, or until the cheese has melted and the tops are lightly golden.
Allow the sliders to rest for 3–5 minutes. Cut them apart and serve warm.