Making the 15-Minute Hawaiian Roll Grilled Cheese is a straightforward process. Follow these simple steps to create your delicious sandwich:

1. Preheat Pan: Heat a skillet or griddle over medium heat.
2. Prepare Rolls: Slice the Hawaiian rolls in half horizontally.
3. Butter the Rolls: Spread 1 tablespoon of butter on the outer sides of each roll half.
4. Add Cheese: Place a slice of cheese on the inner side of each roll half.
5. Assemble Sandwiches: Close the rolls to create sandwiches, ensuring the buttered sides are facing out.
6. Grill the Sandwiches: Place the assembled sandwiches in the preheated skillet. Cook for about 3-4 minutes until golden brown.
7. Flip: Carefully flip the sandwiches and cook the other side for another 3-4 minutes until the cheese is melted and the bread is golden brown.
8. Remove from Heat: Once cooked, remove the sandwiches from the skillet and let them cool for a minute.
9. Optional Add-Ins: If desired, add sliced tomatoes, bacon, or spinach between the cheese layers before grilling.
10. Slice and Serve: Cut the sandwiches in half and serve warm.

These steps will guide you in creating this incredible grilled cheese effortlessly!