Preheat oven to 400 degrees F.

Brush baguette slices with 1 tablespoon olive oil; toast 8 minutes until crisp.

Mix tomatoes, garlic, basil, balsamic, salt, and remaining olive oil in bowl.

Let tomato mixture sit 10 minutes to meld.

Spoon topping onto toasts just before serving.

Arrange on platter; serve immediately.