Another great way to enjoy these sandwiches is to substitute the tomatoes with sliced green apples.
Butter the bread slices on one side and place butter side down on a hot flat grill. Top each bread slice with the Havarti cheese, Swiss cheese, tomatoes slices and the cheddar cheese. Top with remaining bread slices with butter side up. Once browned on one side flip and brown until all the cheese has melted.
