01 - Preheat oven to 350°F. Line a baking sheet with parchment paper.
02 - Using a serrated knife, slice the block of rolls horizontally without separating individual rolls to create a top and bottom half.
03 - Arrange the bottom half of the rolls on the baking sheet. Evenly layer sliced cheddar cheese over the rolls. Add ham or turkey if using.
04 - Place the top half of the rolls over the layered ingredients.
05 - Stir melted butter with mustard, honey, and garlic powder, if desired. Brush this mixture over the tops of the rolls.
06 - Bake in preheated oven for 10 to 15 minutes, or until cheese is melted and tops are golden brown.
07 - Let rest for 2 minutes. Cut into individual sandwiches and serve warm.