Preheat the oven to 350F. Whisk together the oil, garlic, thyme, rosemary, salt, and black pepper in a large bowl. Add the baguette slices and toss to coat, and then sprinkle in the parmesan topping, tossing again to coat. Spread the baguette slices out on a baking sheet and bake until light golden brown, about 10 minutes, flipping once halfway through.