Preheat the oven to 375°F (190°C).
Prepare the garlic-infused olive oil.
Slice the baguette and arrange the pieces on a baking sheet.
Brush the baguette slices with the garlic-infused olive oil.
Bake the baguette slices for about 10 minutes or until golden brown.
In a medium bowl, combine diced tomatoes, thyme, salt, and pepper.
Add the shredded Gruyère cheese to the tomato mixture and stir gently.
Spoon the tomato and cheese mixture onto the toasted baguette slices.
Return the bruschetta to the oven and bake for an additional 10-15 minutes.
Remove from the oven, let cool slightly, and serve.