Preheat oven to 200ºC (390ºF). To make the garlic-herb dressing, place the oil, vinegar, chives, chervil, garlic, salt and pepper in a bowl and whisk to combine. Set aside.
Place bread on a baking tray, drizzle with oil and sprinkle with salt. Bake for 5 minutes or until golden. Place zucchini, lettuce, broad beans, cucumber, croutons in a bowl and gently toss. Spoon over dressing and top with parmesan to serve. Serves 4.
+ Fresh broad beans need to be double peeled. Remove the bean from the pod, blanch and remove the outer skin from the bean.