01 - In a small saucepan, heat the balsamic vinegar over medium heat. Bring to a simmer and reduce until thickened, about 5 minutes. Remove from heat and let cool.
02 - On a serving platter, alternate layers of peach slices, mozzarella slices, and basil leaves.
03 - Drizzle the cooled balsamic reduction and olive oil over the salad. Season with salt and pepper to taste.
04 - Serve the salad immediately for optimal freshness.