01 - Preheat oven to 350°F.
02 - Slice Hawaiian rolls in half horizontally, keeping rolls attached to each other. Do not separate into individual rolls yet.
03 - Arrange bottom halves of rolls in a baking dish or on a lined baking sheet.
04 - Place one slice of cheese on each roll bottom, overlapping as necessary for even coverage.
05 - Place roll tops back onto the cheese-covered bottoms.
06 - Combine melted butter, garlic powder, dried parsley, and salt in a small bowl.
07 - Generously brush butter mixture over the tops of the rolls.
08 - Bake for 12–15 minutes until cheese is melted and tops are golden brown.
09 - Remove from oven, cool briefly, then cut into individual sandwiches. Serve warm.