Heat skillet or griddle over medium heat.

Spread butter on one side of each slice bread.

Place cheese slices on unbuttered side of bread. Top with other slice of bread with butter facing upward.

Place sandwich on skillet or griddle and cook 3-4 minutes on each side. Using spatula, lightly press sandwich down gently while cooking to melt cheese better.

Remove from skillet or griddle and slice in half.