heat a large skillet over medium high heat.

in a small bowl, combine the butter and thyme. spread one side of each bread slice with the butter mixture.

place 3 slices in the skillet, butter side down. top with cheese, then the remaining 3 bread slices, butter side up.

cook, turning once, untill toasted on both sides, about 3 to 5 minutes per side.

remove sandwiches from the skillet. let them cool, then cut them into 1inch squares. makes about 56 croutons