Step 1

Bring balsamic vinegar to a boil in a small saucepan over medium heat. Boil until reduced to 1/4 cup, about 8 minutes. Remove from heat and allow to cool to room temperature.

Step 2

Arrange tomatoes, cucumber, mozzarella slices, and basil leaves in an alternating pattern on a small serving platter until platter is covered. Drizzle olive oil over the salad. Season with salt and pepper. Drizzle 1 to 2 tablespoons of the cooled balsamic vinegar on top. Serve immediately.