Prepare ingredients: Rinse tomatoes and basil, and pat dry. Drain mozzarella balls.
Assemble bites: On each pick, layer one tomato, one basil leaf (folded if large), and one mozzarella ball. Repeat until all ingredients are used.
Plate and drizzle: Arrange bites on a serving platter. Drizzle lightly with balsamic glaze and olive oil if desired. Sprinkle with a pinch of sea salt and black pepper.
Serve fresh: Best served immediately or kept chilled for up to 2 hours before serving.