Preheat your oven to 400°F (200°C).
Arrange baguette slices on a baking sheet and toast for 5-7 minutes until golden brown.
In a bowl, combine diced tomatoes, garlic, basil, olive oil, salt, and pepper.
Spoon tomato mixture over each toasted slice.
Drizzle with balsamic glaze if desired. Serve immediately.