Smiling Caprese Salad

6 tomatoes, cut into bite-size pieces

¼ cup extra-virgin olive oil, or more to taste

1 ½ tablespoons balsamic vinegar

6 leaves fresh basil, cut into slivers

½ pound mozzarella cheese, cut into bite-size cubes

salt and ground black pepper to taste

Stir tomatoes, olive oil, balsamic vinegar, and basil together in a large salad bowl; gently fold in mozzarella cheese ; season with salt and black pepper. Chill before serving.