01 -
Preheat oven to 350°F and lightly grease a 9 x 13 inch baking dish.
02 -
Place softened cream cheese in a saucepan over medium heat and stir continuously until smooth and creamy.
03 -
Stir in dry ranch seasoning, onion powder, and ground black pepper. Remove from heat when fully incorporated.
04 -
Add sliced green onions, shredded chicken, crumbled bacon, and 1 cup of the shredded cheddar cheese to the warm cream cheese mixture. Mix thoroughly until evenly blended.
05 -
Place the bottom halves of the split sandwich rolls evenly across the base of the prepared baking dish.
06 -
Spread the chicken and cheese mixture evenly over the roll bottoms.
07 -
Sprinkle the remaining shredded cheddar cheese over the filling, then position the roll tops.
08 -
Brush the tops with melted butter, then sprinkle with grated Parmesan and chopped chives.
09 -
Cover the dish with foil and bake for 25 minutes.
10 -
Remove the foil and bake an additional 5 to 8 minutes or until the bread tops are golden brown.
11 -
Let stand briefly before slicing. Serve warm.