Wrap the tomato slices in a paper towel and put a plate on top to press out some of the water.
2 heirloom tomatoes
Stir the tapenade, diced onion, shredded cheese and cream cheese together in a mixing bowl until they are thoroughly combined.
½ small red onion, 4 ounces whipped cream cheese, 4 ounces shredded cheddar cheese, 2 tablespoons tapenade
Spread the cheese and tapenade mix evenly on 4 slices of bread, then place the tomatoes on top. Top each with the remaining 4 slices of bread.
8 slices sandwich bread
Spread the butter on the top of each sandwich. Place each, butter side down, in the skillet. Butter the now top, naked, side.
3 tablespoons butter
Fry each side for about 4 minutes on each side or until golden and crunchy. Slice if you must, and serve immediately.
Notes
For those who can't seem to wean them off of American artificial cheese food product, go ahead and use it, just don't tell me.Jarlsberg and co-jack cheeses are worthy substitutions.