LAY prosciutto on an oven tray, and bake at 180ºC fan-forced for 6-8 minutes until crisp. Remove to absorbent paper, and break into pieces.
CUT bread into triangular pieces, and lightly spray with olive oil. Bake for 5 minutes until golden and crisp.
TOSS together the cos and dressing; pile onto serving platter or plates. Top with prosciutto, croutons, anchovies, spring onions, avocado, extra dressing and Parmesan. Serve immediately.
OPTIONAL:
SERVE with a poached egg or lean grilled chicken breast for a more substantial salad.