Preheat oven to 450 degrees.
Warm two baking sheets in oven in lower half and super half oven racks.
Butter bread and add cheese. Assemble and place sandwiches on baking sheet.
Place second baking sheet or top of sandwiches and place in oven in lower rack of oven.
Bake till golden brown and delicious.
Use just one baking sheet and flip sandwiches after a few minutes to brown both sides.