For the tapenade, place the olives, garlic, basil and oil into a mini blender. Season well with salt and freshly ground black pepper and blend until the ingredients are combined but retain a chunky texture.
For the bruschetta, place the garlic and olive oil into a small bowl and season with salt and freshly ground black pepper. Dip the ciabatta slices into the garlic oil to coat both sides.
Heat a griddle pan and griddle the ciabatta slices for 3-4 minutes on each side, or until golden-brown.
To serve, spread the tapenade over the ciabatta slices, top with the chopped tomato and garnish with basil leaves.