01 -
Gather bread, cheese, butter, and any selected optional add-ins to ensure all items are within reach before starting.
02 -
Heat a nonstick skillet over medium heat until evenly hot.
03 -
Generously spread unsalted butter on one side of each bread slice, ensuring full edge-to-edge coverage.
04 -
Place one slice of bread, buttered side down, on the preheated skillet. Sprinkle grated Irish cheddar cheese evenly on top and add caramelized onions or herbs if desired.
05 -
Place the second slice of bread on top, buttered side facing up. Grill for 3 to 4 minutes, pressing gently with a spatula until golden brown and the cheese begins to melt.
06 -
Carefully flip the sandwich and cook the other side for an additional 3 to 4 minutes. Grill until both sides are evenly browned and the cheese is fully melted.