Make 1-oz/30-g quenelles from the walnut milk sorbet and reserve in the freezer.
Make two and a half cheese sandwiches using 2 oz/60 g of the cheese for each of the whole sandwiches and 1 oz/30 g for the half sandwich. Cut the sandwiches into quarters and reserve.
Drizzle each plate with caramel sauce. Grill one of the sandwich quarters just before se