Preheat your oven to 375°F (190°C).
Slice the baguette or Italian bread into 1/2-inch slices and arrange them on a baking sheet. Brush the bread slices with olive oil.
Sprinkle the grated parmesan cheese over the bread slices.
Bake the bread slices in the oven for 5-7 minutes, or until they are golden brown and crispy.
While the bread is baking, prepare the bruschetta topping. In a medium bowl, combine the diced tomatoes, minced garlic, chopped basil leaves, and olive oil. Mix well and season with salt and pepper to taste.
Remove the bread from the oven and let it cool for a few minutes.
Spoon the bruschetta mixture onto the toasted bread slices, making sure to cover each slice evenly.
Serve immediately and enjoy!