2 thick slices sourdough bread (or your favorite artisanal loaf)
1 large ripe but firm peach
4 ounces fresh mozzarella cheese, sliced or torn into pieces
6–8 fresh basil leaves
2 tablespoons balsamic glaze (store-bought or homemade)
1 tablespoon extra-virgin olive oil
Flaky sea salt, for finishing
Freshly ground black pepper, optional