Slice the ciabatta in half lengthways.
Toast the cut side under a hot grill for 2 minutes until lightly crisp.
Mix the butter, garlic and parsley together in a bowl.
Spread the garlic butter over the cut sides of the bread, then sprinkle with parmesan.
Place onto a baking tray and grill for 5 minutes until golden and toasted.
Leave to cool for 1 minute, then cut into slices and serve warm.