Combine strawberries and tomatoes in a bowl; add salt, pepper, olive oil, and balsamic vinegar and toss to combine. Taste for seasoning and adjust accordingly.
Transfer sliced mozzarella to a serving plate.
Arrange the berries mixture alongside the mozzarella.
Nutritional info is an estimate and provided as courtesy. Values may vary according to the ingredients and tools used. Please use your preferred nutritional calculator for more detailed info.