Preheat the oven grill (broiler) to high.
Cut each roll in half lengthways.
Arrange the slices facing up on a baking tray.
Combine the butter with the garlic, parsley and salt.
Spread the garlic butter mixture over both cut sides of the rolls. Sprinkle both sides with parmesan.
Grill (broil) for 2–3 minutes or until crispy and golden.
Meanwhile, to make the caesar filling, add the mayonnaise, garlic, anchovies (if using), lemon juice, mustard, Worcestershire sauce, salt and pepper in a large bowl. Whisk to combine, then tumble the cos lettuce in. Toss with tongs to coat generously in the dressing.
To assemble, pile the toasted rolls with the chicken schnitzels, caesar salad and a generous sprinkle of parmesan. Serve immediately.
