01 - Combine balsamic vinegar and honey in a small saucepan over medium heat. Simmer, stirring occasionally, until reduced by half and syrupy consistency forms, approximately 5 minutes. Remove from heat and allow to cool completely.
02 - Cut tomatoes and mozzarella into 1/4-inch thick rounds. Press a heart-shaped cookie cutter firmly through each slice to create uniform heart shapes.
03 - Arrange heart-shaped tomato and mozzarella slices on a serving platter, alternating and overlapping slightly. Tuck fresh basil leaves between the layered slices for presentation.
04 - Drizzle extra-virgin olive oil evenly over the arranged ingredients. Season generously with salt and freshly ground black pepper to taste.
05 - Drizzle the cooled balsamic glaze artistically over the entire salad. Serve immediately while fresh and at optimal temperature.