01 - Gently toss blueberries with honey and black pepper in a small bowl. Set aside to let flavors meld.
02 - Spread a thin layer of cream cheese on one side of each bread slice.
03 - Sprinkle shredded cheddar evenly over two bread slices, layering it atop the cream cheese.
04 - Distribute the blueberry mixture evenly over the cheddar cheese layer.
05 - Top with remaining bread slices, cream cheese side down, to complete the sandwiches.
06 - Butter the outside faces of each sandwich thoroughly for even browning.
07 - Warm a large skillet over medium heat until hot but not smoking.
08 - Place sandwiches in the skillet and cook 3-4 minutes per side, pressing gently, until bread turns golden brown and cheese melts completely.
09 - Remove from heat, let rest 1 minute, then slice diagonally and serve immediately.