Preheat the oven to 200°C / 400°F / Gas Mark 6.
Slice the ciabatta with a bread knife into 2 cm cubes.
Spread the bread over a baking tray and sprinkle over 20 ml of olive oil.
Bake for 8-10 minutes, turning regularly until evenly brown.
Heat 10 ml of olive oil in a frying pan over medium heat.
Place the chicken in the pan and fry for 4 minutes.
Turn the chicken and cook for a further 4 minutes.
Tear the lettuce into large pieces and place in a bowl.
Pull the chicken into bite-size strips and scatter over the lettuce, along with the croutons.
Drizzle the dressing over the salad and sprinkle with Parmesan to serve.