Step 1 of 6
Preheat oven broiler. Arrange baguette slices on a baking sheet.
Step 2 of 6
Brush bread with olive oil and broil until golden, about 2 minutes per side.
Step 3 of 6
Rub toasted bread with a cut garlic clove while still warm.
Step 4 of 6
In a bowl, combine diced tomatoes, basil, remaining garlic (minced), olive oil, and balsamic.
Step 5 of 6
Season tomato mixture with salt and pepper.
Step 6 of 6
Spoon tomato mixture onto toasted bread just before serving.