Heat A Small Skillet To Medium High Heat. Spread A Thin Layer Of Butter On One Side Of Both Bread Slices; Place One Slice Bread, Buttered-Side-Down, In Hot Skillet. Immediately Place Both Cheese Slices On Bread And Cover With Second Bread Slice, Butter-Side-Up. When First Side Is Browned, Turn Over And Brown Other Side. Remove From Heat And Let Cool 2 To 3 Minutes Before Serving.