Preheat your oven to 350°F (175°C).
Slice the Hawaiian rolls in half without separating them.
Mix the pulled pork with barbecue sauce in a bowl.
Spread the pork mixture evenly over the bottom half of the rolls.
Add a layer of coleslaw over the pulled pork.
Place the top half of the rolls back on.
Brush melted butter mixed with garlic and onion powder over the top.
Cover the sliders with foil and bake for 15 minutes.
Remove the foil and bake for an additional 5-10 minutes until golden.
Garnish with fresh parsley and serve warm.